How to Win a Staring Contest by Brian Chou, OD, FAAO, FSLS April 6, 2021 You just signed up to compete in a staring contest.  How do you win?  The world record for staring — not blinking once — is 57 minutes and 24 seconds, set by a Chinese naval serviceman in 2015. That is no…

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Scleral Lens Plunger for Application and Removal by Brian Chou, OD, FAAO, FSLS March 10, 2021 If you wear scleral contact lenses for keratoconus, you are certainly using a scleral lens plunger device for application and removal of your scleral lenses.  More likely than not, these tools are made by a family owned and operated business…

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How Do You Store Scleral Lenses? by Brian Chou, OD, FAAO, FSLS December 18, 2020 How do you store your previous year’s scleral lenses after you get your new set of scleral lenses?  You will not want to throw away your old scleral lenses because they can serve as a valuable back-up.  While soft disposable lens…

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7 Benefits of Scleral Contact Lenses by Brian Chou, OD, FAAO, FSLS November 8, 2020 Your doctor has recommended scleral contact lenses.  What are their benefits and are they right for you? What are scleral contact lenses? Scleral contact lenses are a relatively new but growing category of specialty contact lenses.  For many with challenging eye…

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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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