Scleral Lenses Vision Requirements

Scleral Lenses For Vision Requirements by Brian Chou, OD, FAAO, FSLS October 5, 2020 If you have keratoconus, corneal scarring, or have had previous eye surgery, scleral lenses can help you meet vision requirements for work.  For example, peace officers with the California Department of Corrections and San Diego Police department, must meet minimum vision standards.…

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Why Do Scleral Lenses Get Foggy? by Brian Chou, OD, FAAO, FSLS September 4, 2020 Why do scleral lenses get foggy?  Scleral contact lenses can restore vision for keratoconus and other conditions where the front eye surface is not smooth.  But 25-50% of scleral lens wearers report their vision gets hazy, cloudy, or foggy.  If you…

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Should Vision in Both Eyes Be The Same? by Brian Chou, OD, FAAO, FSLS August 15, 2020 Should vision in both eyes be the same?  Symmetry is common in nature.  For example, your arms and legs are probably the same approximate length.  And a butterfly’s wing pattern is similar between the two sides.  The short answer…

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Which Glasses Are Best for Keratoconus? by Brian Chou, OD, FAAO, FSLS July 1, 2020   Several keratoconus patients have asked me if special eyeglasses might help them.  This follows University of Liverpool announcing their engineers are developing spectacle lenses for keratoconus.  While new treatment for keratoconus is welcome, the laws of physics will likely make…

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AvaGen Genetic Keratoconus Test

by Brian Chou, OD, FAAO, FSLS April 14, 2020 Keratoconus has a well-established genetic link.  A 2012 review article found that between 6 to 23.5% with keratoconus have someone else in the family with it.  Furthermore, relatives of keratoconus patients are 15-67 times at higher risk to develop keratoconus compared to those with unaffected relatives. …

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Coronavirus

Is it Safe to Wear Contact Lenses During the Coronavirus Pandemic? Settling the confusion on coronavirus concerns for contact lens wearers April 6, 2020 Is it safe to wear contact lenses during the COVID-19 pandemic?  For patients with keratoconus and those using medically necessary contact lenses, wearing eyeglasses is usually not a viable option to…

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An Eye Doctor Weighs In April 17th, 2019 Regarded by many sports commentators and basketball players as the greatest shooter in NBA history, Steph Curry recently disclosed that he has the eye disease, keratoconus. This disease, which affects about 1 in 375 individuals, can dramatically impair vision. It is characterized by abnormal distortion of the…

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Necessary contact lenses

What Classifies Necessary Contact Lenses? Necessary contact lenses are a designation based on criteria set by a third-party payor, such as Vision Service Plan (VSP) or EyeMed Vision Care.  Each plan has different criteria for qualification. The approval process involves the practitioner’s office submitting and attesting to specific documentation after a patient’s eye exam. When…

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symptoms of Keratoconus

Light passes into the eye through the cornea, the eye’s transparent tissue in front. The shape of the cornea is like a dome, however, in rare cases, it bulges forward like a cone.  As a result, the distorted cornea does not adequately focus light, even with glasses and traditional soft contact lenses. This medical disease…

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