Weird Cracks on Eyeglass Lenses
Weird Cracks on Eyeglass Lenses by Brian Chou, OD, FAAO, FSLS January 5, 2021 Your new prescriptive eyeglasses lenses suddenly have weird looking scratches. They look like cracks, ripples, or wrinkles. Yet you know for sure that the lenses did not get scratched and you cannot clean them off. How could this happen when you…
How Do You Store Scleral Lenses?
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…
7 Benefits of Scleral Contact Lenses
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…
Scleral Lenses For 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….
Are Daily Contacts Bad for the Environment?
Are Daily Contacts Bad for the Environment? by Brian Chou, OD, FAAO, FSLS September 15, 2020 Are daily contacts bad for the environment? In 2019, daily disposable contact lenses represented 39% of contact lenses prescribed in the U.S. according to replacement type. More American contact lens wearers than ever use single-use or “daily disposable” contact lenses….
Why Do Scleral Lenses Get Foggy?
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…
Should Vision in Both Eyes Be The Same?
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…
California Prohibits Driving with Some Sunglasses
California Prohibits Driving with Some Sunglasses by Brian Chou, OD, FAAO, FSLS August 1, 2020 Yes, California really prohibits you from driving with certain sunglasses! Have you noticed all the fashionable sunglasses with thick temples? Frame designers often like thick temples because it allows them to incorporate design elements like their logo. But what most do…
Why Does Sunlight Make Me Sneeze?
Why Does Sunlight Make Me Sneeze? by Brian Chou, OD, FAAO, FSLS July 15, 2020 Have you ever noticed yourself or others sneeze when walking out to the bright sunlight? Up to a third of the population exhibits the “photic sneeze reflex” where the sudden exposure to bright light stimulates sneezing. First described by Aristotle,…
Which Glasses Are Best for Keratoconus?
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…