Photochromic lenses are lenses that can ge®t darker as one goes into brighter light. Inside or on the lens a component (either a silver halide crystal in the case of glass or an organic molecule in the case of plastic) gets dark depending on the amount of UV light in the area. Hot temperatures decrease [...]
Entries Tagged as 'Eyewear'
Medicare coverage of glasses after cataract surgery
October 12th, 2010 · 2 Comments · Eyewear, Ocular Disease
The Medicare program covers for eyeglasses following cataract surgery. An explanation of the billing can be fraught with questions due to the partial coverage Medicare offers and the number of options available with new eyewear today. Here are the facts on Medicare coverage. Your deductible for the year is $155 (2010). This can vary each [...]
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X-Cyl and ImageRx
July 3rd, 2009 · No Comments · Contact Lenses, Eyewear, Vision Conditions
X-Cyl and ImageRx updated. X-Cyl is a toric crossed cylinder calculator. ImageRx is a spectacle magnification calculator. Both programs are free to download.
Tags:calculator·crossed cylinder·ImageRx·program·spectacle magnification·X-Cyl·XCyl
Why Do Glasses Fail?
January 24th, 2009 · 2 Comments · Eyewear, Ocular Disease, Vision Conditions
Most of the time, you can go to the eye doctor and get a pair of glasses without any trouble getting used to the them. There are occasions when a patient can have trouble adapting to the changes in the prescription written by the doctor. A prescription for glasses is similar to a prescription for [...]