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Arithmetic Arithmetic (from Ancient Greek ἀριθμός (arithmós) 'number', and τική [τέχνη] (tikḗ [tékhnē]) 'art, craft') is an elementary part of mathematics that consists of the study of the properties of the traditional operations on numbers—addition, subtraction, multiplication, division, exponentiation, and extraction of roots. In the 19th century, Italian mathematician Giuseppe Peano formalized arithmetic with his Peano axioms, which are highly important to the field of mathematical logic today.
Bitwise operation In computer programming, a bitwise operation operates on a bit string, a bit array or a binary numeral (considered as a bit string) at the level of its individual bits. It is a fast and simple action, basic to the higher-level arithmetic operations and directly supported by the processor.
Special Activities Center The Special Activities Center (SAC) is a division of the Central Intelligence Agency responsible for covert operations and paramilitary operations. The unit was named Special Activities Division (SAD) prior to 2015.
Operations management Operations management is an area of management concerned with designing and controlling the process of production and redesigning business operations in the production of goods or services. It involves the responsibility of ensuring that business operations are efficient in terms of using as few resources as needed and effective in meeting customer requirements.
Emergency operations center An emergency operations center (EOC) is a central command and control facility responsible for carrying out the principles of emergency preparedness and emergency management, or disaster management functions at a strategic level during an emergency, and ensuring the continuity of operation of a company, political subdivision or other organization.\nAn EOC is responsible for strategic direction and operational decisions and does not normally directly control field assets, instead leaving tactical decisions to lower commands.
Operations research Operations research (British English: operational research), often shortened to the initialism OR, is a discipline that deals with the development and application of advanced analytical methods to improve decision-making. It is sometimes considered to be a subfield of mathematical sciences.
Operation (mathematics) In mathematics, an operation is a function which takes zero or more input values (called operands) to a well-defined output value. The number of operands (also known as arguments) is the arity of the operation.
December December is the twelfth and the final month of the year in the Julian and Gregorian calendars. It is also the last of seven months to have a length of 31 days.
December 17 December 17 is the 351st day of the year (352nd in leap years) in the Gregorian calendar; 14 days remain until the end of the year.\n\n\n== Events ==\n\n\n=== Pre-1600 ===\n497 BC – The first Saturnalia festival was celebrated in ancient Rome.
December 10 December 10 is the 344th day of the year (345th in leap years) in the Gregorian calendar; 21 days remain until the end of the year.\n\n\n== Events ==\n\n\n=== Pre-1600 ===\n1317 – The "Nyköping Banquet": King Birger of Sweden treacherously seizes his two brothers Valdemar, Duke of Finland and Eric, Duke of Södermanland, who were subsequently starved to death in the dungeon of Nyköping Castle.
December 1 December is the twelfth and the final month of the year in the Julian and Gregorian calendars. It is also the last of seven months to have a length of 31 days.
2016 in aviation This is a list of aviation-related events from 2016.\n\n\n== Events ==\n\n\n=== January ===\nThe Government of Italy permitted United States unmanned aerial vehicles (UAVs or drones) to fly strike missions from Naval Air Station Sigonella in Sicily where the US has operated unarmed surveillance UAVs since 2001 against Islamic State targets in Libya, but only if they are "defensive," protecting U.S. forces or rescuers retrieving downed pilots.
December 1924 German federal election Federal elections were held in Germany on 7 December 1924, the second that year after the Reichstag had been dissolved on 20 October. The Social Democratic Party remained the largest party in the Reichstag, receiving an increased share of the vote and winning 131 of the 493 seats.
December 7 December 3 is the 337th day of the year (338th in leap years) in the Gregorian calendar; 28 days remain until the end of the year.\n\n\n== Events ==\n\n\n=== Pre-1600 ===\n915 – Pope John X crowns Berengar I of Italy as Holy Roman Emperor (probable date).
December 18 December 11 is the 345th day of the year (346th in leap years) in the Gregorian calendar; 20 days remain until the end of the year.\n\n\n== Events ==\n\n\n=== Pre-1600 ===\n220 – Emperor Xian of Han is forced to abdicate the throne by Cao Cao's son Cao Pi, ending the Han dynasty.
December 26 December 15 is the 349th day of the year (350th in leap years) in the Gregorian calendar; 16 days remain until the end of the year.\n\n\n== Events ==\n\n\n=== Pre-1600 ===\n533 – Vandalic War: Byzantine general Belisarius defeats the Vandals, commanded by King Gelimer, at the Battle of Tricamarum.
December 12 December 12 is the 346th day of the year (347th in leap years) in the Gregorian calendar; 19 days remain until the end of the year.\n\n\n== Events ==\n\n\n=== Pre-1600 ===\n627 – Battle of Nineveh: A Byzantine army under Emperor Heraclius defeats Emperor Khosrau II's Persian forces, commanded by General Rhahzadh.
LASIK LASIK or Lasik (laser-assisted in situ keratomileusis), commonly referred to as laser eye surgery or laser vision correction, is a type of refractive surgery for the correction of myopia, hyperopia, and an actual cure for astigmatism, since it is in the cornea. LASIK surgery is performed by an ophthalmologist who uses a laser or microkeratome to reshape the eye's cornea in order to improve visual acuity.
Laser blended vision Laser blended vision is a sophisticated laser eye treatment which is used to treat presbyopia (ageing eyes; progressive loss of the ability to focus on nearby objects) or other age-related eye conditions. It can be used to help people that simply need reading glasses, and also those who have started to need bifocal or varifocal spectacle correction due to ageing changes in the eye.
Johnson & Johnson Vision Johnson & Johnson Vision (JJV) is a subsidiary of Johnson & Johnson and is composed of two divisions, Johnson & Johnson Surgical Vision and Johnson & Johnson Vision Care (Contact Lens). Services include Intraocular lenses, laser vision correction systems, phacoemulsification systems, viscoelastic, Microkeratomes and related products used in cataract and refractive surgery.
Laser pointer Laser printing is an electrostatic digital printing process. It produces high-quality text and graphics (and moderate-quality photographs) by repeatedly passing a laser beam back and forth over a negatively-charged cylinder called a "drum" to define a differentially-charged image.
Gamma correction Gamma correction or gamma is a nonlinear operation used to encode and decode luminance or tristimulus values in video or still image systems. Gamma correction is, in the simplest cases, defined by the following power-law expression:\n\n \n \n \n \n V\n \n out\n \n \n =\n A\n \n V\n \n in\n \n \n γ\n \n \n ,\n \n \n {\displaystyle V_{\text{out}}=AV_{\text{in}}^{\gamma },}\n where the non-negative real input value \n \n \n \n \n V\n \n in\n \n \n \n \n {\displaystyle V_{\text{in}}}\n is raised to the power \n \n \n \n γ\n \n \n {\displaystyle \gamma }\n and multiplied by the constant A to get the output value \n \n \n \n \n V\n \n out\n \n \n \n \n {\displaystyle V_{\text{out}}}\n .
Bonferroni correction In statistics, the Bonferroni correction is a method to counteract the multiple comparisons problem. Bonferroni correction is the simplest method for counteracting this; however, it is a conservative method that gives greater risk of failure to reject a false null hypothesis than other methods, as it ignores potentially valuable information, such as the distribution of p-values across all comparisons (which, if the null hypothesis is correct for all comparisons, is expected to take uniform distribution).
Corrections In criminal justice, particularly in North America, correction, corrections, and correctional, are umbrella terms describing a variety of functions typically carried out by government agencies, and involving the punishment, treatment, and supervision of persons who have been convicted of crimes. These functions commonly include imprisonment, parole, and probation.
Bessel's correction In statistics, Bessel's correction is the use of n − 1 instead of n in the formula for the sample variance and sample standard deviation, where n is the number of observations in a sample. This method corrects the bias in the estimation of the population variance.
Greenhouse–Geisser correction The Greenhouse–Geisser correction \n \n \n \n \n \n \n ε\n ^\n \n \n \n \n \n {\displaystyle {\widehat {\varepsilon }}}\n is a statistical method of adjusting for lack of sphericity in a repeated measures ANOVA. The correction functions as both an estimate of epsilon (sphericity) and a correction for lack of sphericity. The correction was proposed by Samuel Greenhouse and Seymour Geisser in 1959.The Greenhouse–Geisser correction is an estimate of sphericity (\n \n \n \n \n \n \n ε\n ^\n \n \n \n \n \n {\displaystyle {\widehat {\varepsilon }}}\n ).
End correction Whenever a wave forms through a medium/object (organ pipe) with a closed/open end, there is a chance of error in the formation of the wave, i.e. it may not actually start from the opening of the object but instead before the opening, thus resulting on an error when studying it theoretically.
Prism correction Eye care professionals use prism correction as a component of some eyeglass prescriptions. A lens which includes some amount of prism correction will displace the viewed image horizontally, vertically, or a combination of both directions.
Pitch correction Pitch correction is an electronic effects unit or audio software that changes the intonation (highness or lowness in pitch) of an audio signal so that all pitches will be notes from the equally tempered system (i.e., like the pitches on a piano). Pitch correction devices do this without affecting other aspects of its sound.
LCA-Vision LCA-Vision is a provider of photorefractive keratectomy in the United States under the LasikPlus brand. The company performs Custom LASIK, PRK and monovision treatment to correct nearsightedness, farsightedness, astigmatism and reduce the effects of presbyopia.
LASIK MD LASIK MD is a North America provider of laser vision correction and the largest provider of laser vision correction in North America based on procedure volume. As of 2013, LASIK MD performs over sixty percent of all laser vision correction procedures in Canada.LASIK MD was founded in 2001 by Dr.
Mark Cohen (surgeon) Mark Cohen is a Canadian laser eye surgeon who practices in Montreal and Toronto. In 2001, he and Avi Wallerstein founded LASIK MD, Canada's largest provider of laser refractive surgery.
Refractive surgery Refractive eye surgery is optional eye surgery used to improve the refractive state of the eye and decrease or eliminate dependency on glasses or contact lenses. This can include various methods of surgical remodeling of the cornea (keratomileusis), lens implantation or lens replacement.
Eye care professional An eye care professional (ECP) is an individual who provides a service related to the eyes or vision. It is any healthcare worker involved in eye care, from one with a small amount of post-secondary training to practitioners with a doctoral level of education.
Emil Chynn Emil William Chynn (born October 7, 1965) is a Chinese-American LASEK surgeon, author, researcher, and media personality. He has also appeared in Millionaire Matchmaker.
Schirmer's test Schirmer's test determines whether the eye produces enough tears to keep it moist. This test is used when a person experiences very dry eyes or excessive watering of the eyes.
Risk Factors
TLC VISION CORP ITEM 1A RISK FACTORS The following are certain risk factors that could affect our business, financial results and results of operations
These risk factors should be considered in connection with evaluating the forward-looking statements contained in this Annual Report on Form 10-K because these factors could cause the actual results and conditions to differ materially from those projected in forward-looking statements
The risks that we have highlighted here are not the only ones that we face
If any of the risks actually occur, our business, financial condition or results of operations could be negatively affected
In that case, the trading price of our stock could decline, and our stockholders may lose all or part of their investment
WE HAVE REPORTED ACCUMULATED DEFICITS; OUR FUTURE PROFITABILITY IS UNCERTAIN We reported a net loss of dlra9dtta4 million for the year ended December 31, 2003
As of December 31, 2005, we reported an accumulated deficit of dlra244dtta2 million
Even though we reported net income of dlra6dtta9 million and dlra43dtta7 million for the years ended December 31, 2005 and 2004, respectively, we may not be able to sustain profitability
Our profitability will depend on a number of factors, including: - demand for our services; - our ability to control costs; - our ability to execute our strategy and effectively integrate acquired businesses and assets; - our ability to obtain adequate insurance against malpractice claims and reduce the number of claims; - economic conditions in the markets in which we compete, including the availability of discretionary income; - concerns about the safety and effectiveness of laser vision correction; - competitive factors; - regulatory developments; - our ability to retain and attract qualified personnel; and - doctors &apos ability to obtain adequate insurance against malpractice claims at reasonable rates
In addition, our subsidiary OccuLogix expects to report significant net losses for the next several years
We will be required to report the financial results of OccuLogix on a consolidated basis as long as we have a controlling financial interest
CHANGES IN GENERAL ECONOMIC CONDITIONS MAY CAUSE FLUCTUATIONS IN OUR REVENUES AND PROFITABILITY The cost of laser vision correction procedures is typically not reimbursed by health care insurance companies or other third-party payors
Accordingly, our operating results may vary based upon the impact of changes in economic conditions on the disposable income of consumers interested in laser vision correction
A significant decrease in consumer disposable income in a weakening economy may result in decreased procedure levels and revenues
In addition, weakening economic conditions may result in an increase in the number of our customers, who experience financial distress or declare bankruptcy, which may negatively impact our accounts receivable collection experience
THE MARKET FOR LASER VISION CORRECTION IS INTENSELY COMPETITIVE AND COMPETITION MAY INCREASE Some of our competitors or companies that may choose to enter the industry in the future, including laser manufacturers themselves, may have substantially greater financial, technical, managerial, marketing and/or other resources and experience than us and may compete more effectively than we are able to compete
We compete with hospitals, individual ophthalmologists, other corporate laser centers and manufacturers of excimer laser equipment in offering laser vision correction services and access to excimer lasers
Our principal corporate competitors include LCA-Vision Inc
and Lasik Vision Institute, Inc
Competition in the market for laser vision correction could increase as excimer laser surgery becomes more commonplace and the number of ophthalmologists performing the procedure increases
In addition, competition would increase if state or provincial laws were amended to permit optometrists, in addition to ophthalmologists, to perform laser vision correction
We will compete on the basis of quality of service, surgeon skill and reputation and price
If more providers offer laser vision correction in a given geographic market, the price charged for such procedures may decrease
Competitors have offered laser vision correction at prices considerably 19 lower than our prices
The laser vision correction industry has been significantly affected by reductions in the price for laser vision correction, including the failure of many businesses that provided laser vision correction
Market conditions may compel us to lower prices in our centers to remain competitive and any reduction in our prices may not be offset by an increase in our procedure volume or decreases in our costs
A decrease in either the fees or procedures performed at our eye care centers or in the number of procedures performed at our centers could cause our revenues to decline and our business and financial condition to weaken
Laser vision correction competes with other surgical and non-surgical means of correcting refractive disorders, including eyeglasses, contact lenses, other types of refractive surgery and other technologies currently available and under development, such as intraocular lenses and surgery with different types of lasers
Our management, operations and marketing plans may not be successful in meeting this competition
Certain competitive optometry chains and other suppliers of eyeglasses and contact lenses may have substantially greater financial, technical, managerial, marketing and other resources and experience than we have and may promote alternatives to laser vision correction or purchase laser systems and offer laser vision correction to their customers
If the price of excimer laser systems decreases, additional competition could develop
The price for excimer laser systems could decrease for a number of reasons, including technological innovation and increased competition among laser manufacturers
Further reductions in the price of excimer lasers could reduce demand for our laser access services by making it economically more attractive for eye surgeons to buy excimer lasers rather than utilize our services
Most affiliated surgeons performing laser vision correction at our centers and our significant employees have agreed to restrictions on competing with us, or soliciting patients or employees associated with their facilities; however, these non-competition agreements may not be enforceable
THE MARKET ACCEPTANCE OF LASER VISION CORRECTION IS UNCERTAIN We believe that the profitability and growth of our company will depend upon broad acceptance of laser vision correction in the United States and, to a lesser extent, Canada
We may have difficulty generating revenue and growing our business if laser vision correction does not become more widely accepted by the general population as an alternative to existing methods of treating refractive vision disorders
Laser vision correction may not become more widely accepted due to a number of factors, including: - its cost, particularly since laser vision correction typically is not covered by government or private insurers; - general resistance to surgery; - the fact that effective and less expensive alternative methods of correcting refractive vision disorders are widely available; - the lack of long-term follow-up data; - the possibility of unknown side effects; and - reported adverse events or other unfavorable publicity involving patient outcomes from laser vision correction
CONCERNS ABOUT POTENTIAL SIDE EFFECTS AND LONG-TERM RESULTS OF LASER VISION CORRECTION MAY NEGATIVELY IMPACT MARKET ACCEPTANCE OF LASER VISION CORRECTION AND PREVENT US FROM GROWING OUR BUSINESS Concerns have been raised with respect to the predictability and stability of results and potential complications or side effects of laser vision correction
Any complications or side effects of laser vision correction may call into question the safety and effectiveness of laser vision correction, which in turn may damage the likelihood of market acceptance of laser vision correction
Complications or side effects of laser vision correction could lead to product liability, malpractice or other claims against us
Also, complications or side effects could jeopardize the approval by the US Food and Drug Administration of the excimer laser for sale for laser vision correction
Although results of a study showed that the majority of patients experienced no serious side effects seven years after laser vision correction using PRK, complications may be identified in further long-term follow-up studies of PRK There are no long-term studies on the side effects of LASIK, the procedure more often performed in recent years
However, a study of patients five years after LASIK reported the majority of patients had a high overall satisfaction of the procedure
There is no independent industry source for data on side effects or complications from laser vision correction
Some of the possible side effects of laser vision correction are: - foreign body sensation, - pain or discomfort, - sensitivity to bright lights, - blurred vision, 20 - dryness or tearing, - fluctuation in vision, - night glare, - poor or reduced visual quality, - overcorrection or undercorrection, - regression, and - corneal flap or corneal healing complications
We believe that the percentage of patients who experience serious side effects as a result of laser vision correction at our centers is likely less than 1prca
Laser vision correction may also involve the removal of &quote Bowmanapstas membrane, &quote an intermediate layer between the outer corneal layer and the middle corneal layer of the eye
Although several studies have demonstrated no significant adverse reactions to excimer laser removal of Bowmanapstas membrane, the long-term effect of the removal of Bowmanapstas membrane on patients is unclear
WE MAY BE UNABLE TO ENTER INTO OR MAINTAIN AGREEMENTS WITH DOCTORS OR OTHER HEALTH CARE PROVIDERS ON SATISFACTORY TERMS We will have difficulty generating revenue if we are unable to enter into or maintain agreements with doctors or other health care providers on satisfactory terms
Most states prohibit us from practicing medicine, employing doctors to practice medicine on our behalf or employing optometrists to render optometric services on our behalf
In most states we may only own and manage centers and enter into affiliations with doctors and other health care providers
Also, affiliated doctors have provided a significant source of patients for our premium-priced centers and that is expected to continue
Accordingly, the success of our business depends upon our ability to enter into agreements on acceptable terms with a sufficient number of health care providers, including institutions and eye care doctors to render or arrange surgical and other professional services at facilities we own or manage
Our expense levels will be based, in part, on our expectations as to future revenues
If actual revenue levels were below expectations, our operating results would deteriorate
Historically, our quarterly results of operations have varied, and future results may continue to fluctuate significantly from quarter to quarter
Accordingly, quarter-to-quarter comparisons of our operating results may not be meaningful and should not be relied upon as indications of our future performance or annual operating results
Quarterly results will depend on numerous factors, including economic conditions in our geographic markets, market acceptance of our services, seasonal factors and other factors described in this Form 10-K THE MARKET PRICE OF OUR COMMON SHARES MAY BE VOLATILE Historically, the market price of our common shares has been volatile
For example, the market price of our common shares decreased from a high of dlra53dtta50 to a low of dlra0dtta79 between July 1999 and March 2003, then increased to dlra13dtta13 by April 2004
As of March 10, 2006, the last sale price of our common shares was dlra6dtta84
Our common shares will likely be volatile in the future due to industry developments and business-specific factors such as: - our ability to effectively penetrate the laser vision correction market; - the impact of OccuLogix on results of operations; - perception of the potential for rheopheresis for dry age-related macular degeneration; - our ability to execute our business strategy; - new technological innovations and products; - changes in government regulations; - adverse regulatory action; - public concerns about the safety and effectiveness of laser vision correction; - loss of key management; - announcements of non-routine events such as acquisitions or litigation; - variations in our financial results; - fluctuations in competitors &apos stock prices; 21 - the issuance of new or changed stock market analyst reports and recommendations concerning our common shares or competitors &apos stock; - changes in earnings estimates by securities analysts; - our ability to meet analysts &apos projections; - changes in the market for medical services; or - general economic, political and market conditions
In addition, in recent years the prices and trading volumes of publicly traded shares, particularly those of companies in health care related markets, have been volatile
This volatility has substantially affected the market prices of many companies &apos securities for reasons frequently unrelated or disproportionate to their operating performance
Following the terrorist attacks in the United States in September 2001, stock markets experienced volatility and stock prices declined, in some cases substantially
Continued volatility may reduce the market price of our common shares
WE MAY BE UNABLE TO EXECUTE OUR BUSINESS STRATEGY Our business strategy is to be a diversified eye care services company, leveraging our relationships with over 13cmam000 ophthalmologists and optometrists throughout North America to 1) grow the core refractive business while 2) continuing to expand the non-refractive business segment
If we do not successfully execute this strategy or if the strategy is not effective, we may be unable to maintain or grow our revenues and profitability
WE MAY MAKE INVESTMENTS THAT MAY NOT BE PROFITABLE We make investments that are intended to support our strategic business purposes
These investments are generally made in companies in the laser vision correction business or other eye care services
If we are unable to successfully manage our current and future investments, including ASC investments, or if these investments are not profitable or do not generate the expected returns, then future operating results may be adversely impacted
OUR GROWTH STRATEGY DEPENDS ON OUR ABILITY TO OPEN NEW CENTERS OR TO MAKE ACQUISITIONS OR ENTER INTO AFFILIATION ARRANGEMENTS The success of our growth strategy will be dependent on increasing the number of procedures at our eye care centers and/or increasing the number of eye care centers through internal development or acquisitions and entering into affiliation arrangements with local eye care professionals in markets not large enough to justify a corporate center
The addition of new centers will present challenges to us, including the integration of new operations, technologies and personnel
The addition of new centers also presents special risks, including: - unanticipated liabilities and contingencies; - diversion of management attention; and - possible adverse effects on operating results resulting from: - possible future goodwill impairment; - increased interest costs; - the issuance of additional securities; and - increased costs resulting from difficulties related to the integration of the acquired businesses
Our ability to achieve growth through acquisitions will depend on a number of factors, including: - the availability of attractive acquisition opportunities; - the availability of capital to complete acquisitions; - the availability of working capital to fund the operations of acquired businesses; and - the effect of existing and emerging competition on operations
We may not be able to successfully identify suitable acquisition candidates, complete acquisitions on acceptable terms, if at all, or successfully integrate acquired businesses into our operations
Our past and possible future acquisitions may not achieve adequate levels of revenue, profitability or productivity or may not otherwise perform as expected
22 WE MAY BE UNABLE TO SUCCESSFULLY IMPLEMENT AND INTEGRATE NEW OPERATIONS AND FACILITIES Our success depends on our ability to manage our existing operations and facilities and to expand our businesses consistent with our business strategy
In the past, we have grown rapidly in the United States
Our future growth and expansion will increase our managementapstas responsibilities and demands on operating information technologies and financial systems and resources
Our business and financial results are dependent upon a number of factors, including our ability to: - implement upgraded operations, information technologies and financial systems, procedures and controls; - hire and train new staff and managerial personnel; - adapt or amend our business structure to comply with present or future legal requirements affecting our arrangements with doctors, including state prohibitions on fee-splitting, corporate practice of optometry and medicine and referrals to facilities in which doctors have a financial interest; - obtain regulatory approvals, where necessary, and comply with licensing requirements applicable to doctors and facilities operated, and services offered, by doctors; - successfully integrate acquisitions into our existing business model; and - successfully develop new LASIK Select centers and achieve growth and profitability goals of those centers
Our failure or inability to successfully implement these and other factors may adversely affect the quality and profitability of our business operations
WE DEPEND ON KEY PERSONNEL WHOSE LOSS COULD ADVERSELY AFFECT OUR BUSINESS Our success and growth depends in part on the active participation of key medical and management personnel, including Mr
Elias Vamvakas, Chairman of the Board of Directors, and Mr
Wachtman and several key ophthalmologists
Despite having this insurance in place, the loss of any one of these key individuals could adversely affect the quality, profitability and growth prospects of our business operations
We have employment or similar agreements with the above individuals and other key personnel
The terms of these agreements include, in some cases, entitlements to substantial severance payments in the event of termination of employment by either us or the employee
WE MAY BE SUBJECT TO MALPRACTICE AND OTHER SIMILAR CLAIMS AND MAY BE UNABLE TO OBTAIN OR MAINTAIN ADEQUATE INSURANCE AGAINST THESE CLAIMS The provision of medical services at our centers entails an inherent risk of potential malpractice and other similar claims
Beginning October 1, 2002, all of our US professional malpractice insurance had a dlra250cmam000 deductible per claim
Patients at our centers execute informed consent statements prior to any procedure performed by doctors at our centers, but these consents may not provide adequate liability protection
Although we do not engage in the practice of medicine or have responsibility for compliance with regulatory and other requirements directly applicable to doctors and doctor groups, claims, suits or complaints relating to services provided at our centers may be asserted against us in the future, and the assertion or outcome of these claims could result in higher administrative and legal expenses, including settlement costs or litigation damages
We currently maintain malpractice insurance coverage and accruals that we believe is adequate both as to risks and amounts covered
In addition, we require the doctors who provide medical services at our centers to maintain comprehensive professional liability insurance and most of these doctors have agreed to indemnify us against certain malpractice and other claims
Our insurance coverage, however, may not be adequate to satisfy claims, insurance maintained by the doctors may not protect us and such indemnification may not be enforceable or, if enforced, may not be sufficient
Our inability to obtain adequate insurance or an increase in the future cost of insurance to us and the doctors who provide medical services at the centers may have a material adverse effect on our business and financial results
The excimer laser system uses hazardous gases which if not properly contained could result in injury
We may not have adequate insurance for any liabilities arising from injuries caused by the excimer laser system or hazardous gases
While we believe that any claims alleging defects in our excimer laser systems would usually be covered by the manufacturers &apos product liability insurance, the manufacturers of our excimer laser systems may not continue to carry adequate product liability insurance
23 WE MAY FACE CLAIMS FOR FEDERAL, STATE AND LOCAL TAXES We operate in 48 states and two Canadian provinces and are subject to various federal, state and local income, payroll, unemployment, property, franchise, capital, sales and use tax on our operations, payroll, assets and services
We endeavor to comply with all such applicable tax regulations, many of which are subject to different interpretations, and have hired outside tax advisors who assist in the process
Many states and other taxing authorities have been interpreting laws and regulations more aggressively to the detriment of taxpayers
We believe that we have adequate provisions and accruals in our financial statements for tax liabilities, although we cannot predict the outcome of future tax assessments
Tax authorities in two states have contacted us and issued proposed sales tax adjustments in the aggregate amount of approximately dlra0dtta7 million for various periods through 2005 on the basis that certain of our business arrangements constitute at least a partially taxable transaction rather than an exempt service
Our discussions with these two state tax authorities are ongoing
If it is determined that any sales tax is owed, we believe that, under applicable laws and our contracts with our customers, each customer is ultimately responsible for the payment of any applicable sales and use taxes in respect of our services
However, we may be unable to collect any such amounts from our customers, and in such event we would remain responsible for payment
We cannot yet predict the outcome of these outstanding assessments or any other assessments or similar actions which may be undertaken by other state tax authorities
We have evaluated and implemented a comprehensive sales tax reporting system
We believe that we have adequate provisions in our financial statements with respect to these matters
COMPLIANCE WITH INDUSTRY REGULATIONS IS COSTLY AND BURDENSOME Our operations are subject to extensive federal, state and local laws, rules and regulations
Our efforts to comply with these laws, rules and regulations may impose significant costs, and failure to comply with these laws, rules and regulations may result in fines or other charges being imposed on us
We have incurred significant costs, and expect to incur additional costs in connection with compliance with the provisions of the Sarbanes-Oxley Act of 2002
Our failure to comply with the provisions of Sarbanes-Oxley, including provision relating to internal financial controls, could have a material adverse effect on us
Many state laws limit or prohibit corporations from practicing medicine and optometry, and many federal and state laws extensively regulate the solicitation of prospective patients, the structure of our fees and our contractual arrangements with hospitals, surgery centers, ophthalmologists and optometrists, among others
Some states also impose licensing requirements
Although we have tried to structure our business and contractual relationships in compliance with these laws in all material respects, if any aspect of our operations were found to violate applicable laws, we could be subject to significant fines or other penalties, required to cease operations in a particular jurisdiction, prevented from commencing operations in a particular state or otherwise be required to revise the structure of our business or legal arrangements
Many of these laws and regulations are ambiguous, have not been definitively interpreted by courts or regulatory authorities and vary from jurisdiction to jurisdiction
Accordingly, we may not be able to predict how these laws and regulations will be interpreted or applied by courts and regulatory authorities, and some of our activities could be challenged
Numerous legislative proposals to reform the US health care system have been introduced in Congress and in various state legislatures over the past several years
We cannot predict whether any of these proposals will be adopted and, if adopted, what impact this legislation would have on our business
To respond to any such changes, we could be required to revise the structure of our legal arrangements or the structure of our fees, incur substantial legal fees, fines or other costs, or curtail some of our business activities, reducing the potential profit of some of our arrangements
State medical boards and state boards of optometry generally set limits on the activities of ophthalmologists and optometrists
In some instances, issues have been raised as to whether participation in a co-management program violates some of these limits
If a state authority were to find that our co-management program did not comply with state licensing laws, we would be required to revise the structure of our legal arrangements or curtail our operations, and affiliated doctors might terminate their relationships with us
Federal and state civil and criminal statutes impose penalties, including substantial civil and criminal fines and imprisonment, on health care providers and persons who provide services to health care providers, including management businesses such as ours, for fraudulently or wrongfully billing government or other insurers
In addition, the federal law prohibiting false Medicare/Medicaid billings allows a private person to bring a civil action in the name of the US government for violations of its provisions and obtain a portion of the damages if the action is successful
We believe that we are in material compliance with these billing laws, but our business could be adversely affected if governmental authorities were to scrutinize or challenge our activities or private parties were to assert a false claim or action against us in the name of the US government
24 Although we believe that we have obtained the necessary licenses or certificates of need in states where such licenses are required and that we are not required to obtain any licenses in other states, some of the state regulations governing the need for such licenses are unclear, and there is no applicable precedent or regulatory guidance to help resolve these issues
A state regulatory authority could determine that we are operating a center inappropriately without a required license or certificate of need, which could subject us to significant fines or other penalties, result in us being required to cease operations in a state or otherwise jeopardize our business and financial results
If we expand to a new geographic market, we may be unable to obtain any new license required in that jurisdiction
COMPLIANCE WITH ADDITIONAL HEALTH CARE REGULATIONS IN CANADA IS COSTLY AND BURDENSOME Some Canadian provinces have adopted conflict of interest regulations that prohibit optometrists, ophthalmologists or corporations they own or control from receiving benefits from suppliers of medical goods or services to whom they refer patients
The laws of some Canadian provinces also prohibit health care professionals from splitting fees with non-health care professionals and prohibit non-licensed entities such as us from practicing medicine or optometry and from directly employing physicians or optometrists
We believe that we are in material compliance with these requirements, but a review of our operations by Canadian regulators or changes in the interpretation or enforcement of existing Canadian legal requirements or the adoption of new requirements could require us to incur significant costs to comply with laws and regulations in the future or require us to change the structure of our arrangements with doctors
COMPLIANCE WITH US FOOD AND DRUG ADMINISTRATION REGULATIONS REGARDING THE USE OF EXCIMER LASER SYSTEMS FOR LASER VISION CORRECTION IS COSTLY AND BURDENSOME To date, the FDA has approved excimer laser systems manufactured by some manufacturers for sale for the treatment of nearsightedness, farsightedness and astigmatism up to stated levels of correction
Failure to comply with applicable FDA requirements with respect to the use of the excimer laser could subject us, our affiliated doctors or laser manufacturers to enforcement action, including product seizure, recalls, withdrawal of approvals and civil and criminal penalties
The FDA has adopted guidelines in connection with the approval of excimer laser systems for laser vision correction
The FDA, however, has also stated that decisions by doctors and patients to proceed outside the FDA-approved guidelines are a practice of medicine decision, which the FDA is not authorized to regulate
Failure to comply with FDA requirements or any adverse FDA action, including a reversal of its interpretation with respect to the practice of medicine, could result in a limitation on or prohibition of our use of excimer lasers
Discovery of problems, violations of current laws or future legislative or administrative action in the United States or elsewhere may adversely affect the laser manufacturers &apos ability to obtain regulatory approval of laser equipment
Furthermore, the failure of other excimer laser manufacturers to comply with applicable federal, state or foreign regulatory requirements, or any adverse action against or involving such manufacturers, could limit the supply of excimer lasers, substantially increase the cost of excimer lasers, limit the number of patients that can be treated at our centers and limit our ability to use excimer lasers
Most of our eye care centers and access sites in the United States use VISX and/or Alcon Laboratories Inc
excimer lasers
If VISX, Alcon or other excimer laser manufacturers fail to comply with applicable federal, state or foreign regulatory requirements, or if any adverse regulatory action is taken against or involves such manufacturers, the supply of lasers could be limited and the cost of excimer lasers could increase
The Roll-On/Roll-Off laser system consists of an excimer laser mounted on a motorized, air suspension platform and transported in a specially modified truck
We believe that use of this transport system does not require FDA approval; the FDA has taken no position in regard to such approval
The FDA could, however, take the position that excimer lasers are not approved for use in this transport system
Such a view by the FDA could lead to an enforcement action against us, which could impede our ability to maintain or increase our volume of excimer laser surgeries
Similarly, we believe that FDA approval is not required for our mobile use of microkeratomes or the cataract equipment transported by our mobile cataract operations
The FDA, however, could take a contrary position that could result in an enforcement action
DISPUTES WITH RESPECT TO INTELLECTUAL PROPERTY COULD ADVERSELY AFFECT OUR BUSINESS There has been substantial litigation in the United States and Canada regarding the patents on ophthalmic lasers
Although we currently lease or purchase excimer lasers and other technology from the manufacturers, if the use of an excimer laser or other procedure performed at any of our centers is deemed to infringe a patent or other proprietary right, we may be prohibited from using the equipment or performing the procedure that is the subject of the patent dispute or may be required to obtain a royalty-bearing 25 license, which may involve substantial costs, including ongoing royalty payments
We have also secured patents for portions of the equipment we use to transport our mobile lasers
Our patents and other proprietary technology are important to our success
These patents could be challenged, invalidated or circumvented in the future
Litigation regarding intellectual property is common and our patents may not adequately protect our intellectual property
Defending and prosecuting intellectual property proceedings is costly and involves substantial commitments of management time
If we fail to successfully defend our rights with respect to our intellectual property, we may be required to pay damages and cease using our equipment to transport mobile lasers, which may have a material adverse effect on our business
WE MAY NOT HAVE THE CAPITAL RESOURCES NECESSARY IN ORDER TO KEEP UP WITH RAPID TECHNOLOGICAL CHANGES Modern medical technology changes rapidly
New or enhanced technologies and therapies may be developed with better performance or lower costs than the laser vision correction currently provided at our centers
We may not have the capital resources to upgrade our excimer laser equipment, acquire new or enhanced medical devices or adopt new or enhanced procedures at the time that any advanced technology or therapy is introduced
THE ABILITY OF OUR SHAREHOLDERS TO EFFECT CHANGES IN CONTROL OF OUR COMPANY IS LIMITED We have a shareholder rights plan which enables the Board of Directors to delay a change in control of our company
This could discourage a third party from attempting to acquire control of our company, even if an attempt would be beneficial to the interests of the shareholders
In addition, since we are a Canadian corporation, investments in our company may be subject to the provisions of the Investment Canada Act
In general, this act provides a system for the notification to the Investment Canada agency of acquisitions of Canadian businesses by non-Canadian investors and for the review by the Investment Canada agency of acquisitions that meet thresholds specified in the act
To the extent that a non-Canadian person or company attempted to acquire 33prca or more of our outstanding common stock, the threshold for a presumption of control, the transaction could be reviewable by the Investment Canada agency
The Investment Canada Act also applies to a change of control effected by a sale of all or substantially all of the assets of our company
These factors and others could have the effect of delaying, deferring or preventing a change of control of our company supported by shareholders but opposed by our Board of Directors
AS THE MAJORITY OWNER OF OCCULOGIX, IT MAY BE NECESSARY FOR US TO FUND ADDITIONAL CAPITAL REQUIREMENTS OccuLogix reported approximately dlra41dtta3 million of cash and short-term investments as of December 31, 2005, largely as a result of its initial public offering in December 2004
Although it expects the current cash and short-term investments to be adequate to support its operations for at least the next 12 months, OccuLogix anticipates that the funding requirements for its activities will continue to increase substantially, primarily due to its efforts to achieve FDA approval for and to commercialize the RHEO(TM) System
OccuLogix may need to seek additional funds in the future, and it may be necessary for us to fund OccuLogixapstas additional capital requirements as the majority shareholder in order to avoid dilution of the value of our ownership
THERE IS NO GUARANTEE THAT OCCULOGIX WILL BE SUCCESSFUL IN OBTAINING FDA APPROVAL OR COMMERCIALIZING THE RHEO(TM) SYSTEM On February 3, 2006, OccuLogix announced that, based on a preliminary analysis of the data from MIRA-1 (a pivotal clinical trial), MIRA-1 did not meet its primary efficacy endpoint as it did not demonstrate a statistically significant difference in the mean change of Best Spectacle-Corrected Visual Acuity applying the Early Treatment Diabetic Retinopathy Scale, or ETDRS BCVA, between the treated and placebo groups in MIRA-1 at 12 months post-baseline
As expected, the treated group demonstrated a positive result
An anomalous response of the control group is the principal reason why the primary efficacy endpoint was not met
There were subgroups that did demonstrate statistical significance in their mean change of ETDRS BCVA versus control
OccuLogix is in the process of analyzing further the study data
To that end, OccuLogix had enrolled a total of 185 patients in MIRA-1 as of December 31, 2004
On November 17, 2005, OccuLogix announced that it had collected complete 12-month post-treatment data sets for 169 of these patients
As of December 31, 2004, OccuLogix had also submitted to the FDA the first three of four modules of the Pre-market Approval Application, or PMA, filing, the non-clinical portion
The non-clinical portion of the PMA consisted of technical data relating to components of the RHEO(TM) System
Although OccuLogix had intended to submit the fourth module, which consists of the follow-up clinical data, in two components, following discussions 26 with the FDA, it subsequently elected to file only one PMA clinical module following completion of the 12-month data on at least 150 data sets
Subsequent to the February 3, 2006 announcement, OccuLogix completed an in-depth analysis of the MIRA-1 study data identifying subjects that were included in the intent-to-treat, or ITT, population but who deviated from the MIRA-1 protocol as well as those patients who had documented losses or gains in vision for reasons not related to retinal disease such as cataracts
Those subjects in the ITT population who met the protocol requirements, and who did not exhibit ophthalmic changes unrelated to retinal disease, comprised the modified per-protocol population
In the modified per-protocol analysis, eyes treated with RHEO(TM) Therapy demonstrated a mean vision gain of 0dtta8 lines of ETDRS BCVA at 12 months post-baseline, compared to a mean vision loss of 0dtta1 lines of ETDRS BCVA in the eyes of the placebo group
The result was statistically significant (repeated measure p value = 0dtta0147)
The following table presents a summary of the ETDRS BCVA changes observed 12 months post-baseline in the modified per-protocol analysis of MIRA-1:
Treatment Group Placebo Group (n=69) (n=46) --------------- ------------- Vision improvement greater or equal to: 1 line 46dtta4prca 19dtta6prca 2 lines 27dtta5prca 8dtta7prca 3 lines 8dtta7prca 2dtta2prca Vision loss greater or equal to: 1 line 11dtta6prca 23dtta9prca 2 lines 5dtta8prca 6dtta5prca 3 lines 2dtta9prca 2dtta2prca
Within the modified per-protocol population with pre-treatment vision worse than 20/40, 50dtta0prca of RHEO(TM) Therapy-treated eyes improved, after treatment, to 20/40 or better and would be able to qualify for a driverapstas license 12 months post-baseline, compared to 20dtta0prca of placebo eyes
OccuLogix will be re-evaluating its PMA submission strategy
The per-protocol population analysis comprises 115 complete data sets, while OccuLogix had been required to obtain a minimum of 150 complete data sets
OccuLogix is planning to meet with representatives of the FDA in the second quarter of 2006 in order to discuss the impact on the PMA submission strategy of the MIRA-1 study results and the fact of the per-protocol population being fewer than 150
It is more likely than not that OccuLogix will be required to conduct a follow-up clinical trial of the RHEO(TM) System
However, until OccuLogix has discussions with the FDA, it will not know if a follow-up clinical trial will be necessary and, if one is necessary, what its nature, size, scope or duration will be
OccuLogix cannot begin commercialization in the United States until it receives FDA approval
Until OccuLogix has discussions with the FDA, it will not be able to anticipate when, if ever, it will receive FDA approval
Accordingly, at this time, OccuLogix does not know when it can expect to begin to generate revenues in the United States
Prior to the announcement on February 3, 2006 of the preliminary analysis of the data from MIRA-1, in anticipation of commercialization in the United States, OccuLogix was establishing a plan to educate members of the eye care community about RHEO(TM) Therapy
It was in the process of identifying multi-facility health care service providers, including hospitals, dialysis clinics and ambulatory surgery centers, as well as private practices, which it believes may be interested in providing RHEO(TM) Therapy in their facilities
One of these potential providers may be TLCVision due to our relationships with a large number of optometrists and ophthalmologists in the United States
Pending the outcome of its discussions with the FDA and the determination of the parameters of any follow-up clinical trial of the RHEO(TM) System, OccuLogix has suspended, for the time being, all of its activities that were being conducted in anticipation of commercialization in the United States
In 2003, OccuLogix received Health Canada approval for the components of the RHEO(TM) System
The approval allows OccuLogix to market the RHEO(TM) System in Canada for use in the treatment of patients suffering from dysproteinemia due, for example, to abnormal plasma viscosity and/or macular disease
Upon receiving the approval, OccuLogix began limited commercialization of the RHEO(TM) System through sales of OctoNova pumps and disposable treatment sets to three clinics in Canada
In September 2004, OccuLogix signed an agreement with a private Canadian company called Rheo Therapeutics Inc
) ( &quote Veris &quote ), a provider of RHEO(TM) Therapy, which agreed to purchase approximately 8cmam000 treatment sets and 20 OctoNova pumps by the end of 2005, with an option to purchase up to an additional 2cmam000 treatment sets, subject to availability
However, due to delays in its plans to open a number of commercial treatment centers in various Canadian cities where RHEO(TM) 27 Therapy would be performed, Veris no longer required the contracted-for number of treatment sets for such period
OccuLogix agreed to keep the original pricing for a reduced number of treatment sets
In December 2005, by letter agreement, OccuLogix agreed to the volume and other terms for the purchase and sale of treatment sets and pumps for the period ending February 28, 2006
OccuLogix intends to negotiate with Veris purchase orders for the future
Jeffery Machat, who is an investor in and one of the directors of Veris, was a co-founder and former director of our Company
In summary, OccuLogixapstas primary activities to date have included commercialization of the RHEO(TM) System in Canada, working to obtain FDA regulatory approval for the RHEO(TM) System and building an operating infrastructure to support potential US sales following approval by the FDA Pending the outcome of OccuLogixapstas discussions with the FDA regarding the full analysis of the MIRA-1 study data, it is reasonably likely that the focus of its primary activities will shift
OUR STOCK PRICE AND REPORTED RESULTS MAY BE IMPACTED BY THE OPERATING RESULTS OF OCCULOGIX As a significant shareholder of OccuLogix, our stock price may be affected by changes in the price of OccuLogixapstas common stock
We are unable to predict how fluctuations in OccuLogixapstas stock price will affect our own stock price
Because we have a controlling financial interest in OccuLogix, the results of operations of this entity are consolidated into the operating results of our other businesses
OccuLogix expects to continue to report significant operating losses for the next several years
Because of the numerous risks and uncertainties associated with developing and commercializing new medical therapies, including obtaining FDA approval, OccuLogix is unable to predict the extent of any future losses or when it will become profitable, if ever
Because we are a significant shareholder of OccuLogix, our operating results and stock price may be negatively impacted by the operating results of OccuLogix
In the event that we were to reduce our ownership interest to the level where consolidation was not required, our operating results would still be impacted by OccuLogix to the extent of our ownership, via earnings from equity investments
As noted previously, on February 3, 2006, OccuLogix announced that the preliminary analysis of the data from MIRA-1 indicated that MIRA-1 did not demonstrate a statistically significant mean change of BCVA As a result, the share price of OccuLogixapstas stock as traded on the NASDAQ National Market System decreased from dlra12dtta75 on February 2, 2006 to close at dlra4dtta10 on February 3, 2006
The 10-day average price of the stock immediately following the announcement was dlra3dtta65 and reflected a decrease in the market capitalization of OccuLogix from dlra536dtta6 million on February 2, 2006 to dlra153dtta6 million based on the 10-day average share price after the announcement
The resulting decrease in the share price was identified as an indicator of impairment leading to an analysis of OccuLogixapstas intangible assets and goodwill and resulting in OccuLogix reporting an impairment charge to goodwill of dlra147dtta5 million
Because we accounted for the OccuLogix reorganization at historical cost, we eliminate OccuLogixapstas goodwill balance in consolidation (see Note 1)
OccuLogix believes that the announcement made it unlikely that it would be able to collect on amounts outstanding from its sole customer, Veris, resulting in a provision for bad debts of dlra0dtta5 million related to revenue reported prior to December 2005
OccuLogix did not recognize dlra0dtta5 million of revenue related to goods shipped in December 2005, based on collectibility not being reasonably assured
OccuLogix also fully expensed the dlra0dtta2 million advance that it had paid to Veris in connection with clinical trial services to be provided by Veris for one of OccuLogixapstas clinical trials
OccuLogix also evaluated its ending inventory balance as of December 31, 2005 on the basis that Veris may not be able to increase its commercial activities in Canada in line with initial expectations
Accordingly, OccuLogix set up a provision for obsolescence of dlra2dtta0 million for filter sets that are unlikely to be utilized prior to their expiration dates
As a result of the above entries, our reported pre-tax earnings for the quarter and year ended December 31, 2005 were reduced by dlra1dtta6 million
Additional adjustments to asset values may be required as OccuLogix continues its evaluation and operations, and those adjustments may be material
Those adjustments could impact our stock price as well as our results to the extent of our ownership percentage in OccuLogix