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Andrew F. Smith, Gary Orsborn; Estimating The Annual Economic Burden Of Illness Due To Corneal Infiltrative Events In The United States. Invest. Ophthalmol. Vis. Sci. 2011;52(14):5537.
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The aim of this study was to estimate the annual economic burden of illness due to corneal infiltrative events (CIEs) amongst soft contact lens wearers in the United States. This study was a cost of illness study performed from a U.S. healthcare perspective.
A comprehensive review of the medical literature on the annual incidence of CIEs was conducted. Estimates of the direct and indirect costs associated with the treatment and management of persons with daily wear soft contact lens related CIEs were similarly drawn from the literature and published tariffs. Given the short duration of most CIEs, no discounting was performed.
In 2010 it was estimated that there were 35.2 million non-single use daily wear soft contact lens users (non-extended wearers) in the United States. Using an estimated annualized incidence rate for non-severe and severe CIEs of 9.1 and 4.9 per 10,000 contact lens wearers, respectively, it was calculated that a total of 32,032 non-severe and 17,248 severe CIEs occurred in United States in 2010. The cost per non-severe and severe CIEs was estimated to be $ 1,002.90 (direct costs= $ 694.56 indirect costs= $ 308.34 and $ 1,496.00 (direct costs= $ 913.58, indirect costs=$ 582.42), respectively. Overall, the total estimated direct and indirect cost of non-severe CIEs and severe CIEs in the United States in 2010 was estimated to be $ 57,927,900.
Although a relatively rare event, the economic burden of illness due to CIEs is significant and imposes a considerable burden on both the healthcare system and individual patients in the United States. Strategies designed to minimize the occurrence and impact of CIEs, such as through the use of improved lens care regimens and or the use of daily disposable lens may be beneficial in reducing this economic burden.
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