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Originally Posted by Purple Lady
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FWIW - After years of CRT screen induced headaches/eye strain from 8 hour days working at a computer, I had a second pair of prescription glasses made with yellow lens [non-prescription glasses are sold as 'shooters' glasses' or 'fishing glasses' that let you see below the sun's glare on the water, or 'night driving glasses'], which reduced the glare and filtered the colors. Even after moving away from the old CRT screens to flat screens, the yellow lens are invaluable to me for prolonged PC or tablet use. I've seen non-prescription yellow lens glasses sold as 'computer glasses' on tech websites.
I've tried both amber/orange and yellow lens - the amber lens tend to darken my visual field whilst the yellow lens sharpen contrast while still reducing glare. When I'm recovering from a migraine, I also wear the yellow lens glasses when reading on an eInk reader.