Oct 30, 2005 · Hello, The transition lens (high index) with crizal AR coating has shown slight crazing on both lens. It is along the top and bottom edges and can be seen easily when holding it up to a light at …

Apr 7, 2023 · Photochromic lenses are eyeglass lenses where photochromic molecules on the lens react to light and change their structure, causing the lens to darken.

This morning I was berated by a patient for not knowing that her child was not supposed to wear transition lenses in his football rec specs. She informed me that "pretty much everyone in the …

Aug 10, 2005 · 1. The optician says I am going to get an Essilor Transition lens and even the clearest lenses come with a slight 5-7% tint. Is that true? Can I get 0% tint when indoor? 2. Should I get him …

I also noticed that my new frames and lenses had more curvature than my old ones so was wondering if that was causing the lateral distortion. I went back and discussed the problems and was then …

A woman I know says her son's Transition lenses darken in the car. He sits in the back seat on the side. Are the side windows allowing his lenses to darken? Is she just thinking they darken in the car …

A transition does not "act" like other materials that will settle down after blocking because in the majority of the Transitional material the chemical is imbibed through the front surface and NOT through the …

Sep 27, 2001 · I need help, when billing for DME equiptment, post cataract glasses, and a patient orders transition lenses, I have always billed V2799 (a noc code) with a GA modifier for that specific …

Sep 17, 2008 · If I would buy Transition lenses, the main purpose would be for driving. So I want the lenses to darken when I'm behind the wheel. My concern is that they are not directly hit by sunlight, …

How much have the new generation of transition lenses improved? Also do the polycarbonate version activate from clear to dark back to clear as fast as the plastic lenses? I activated a new pair of …