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I know exactly what you mean. I am fortunate and have always had great vision - 20/15 last time it was check years ago. The only thing hindering that perfect vision now is the constant visual snow and the fact that I often have to wear sunglasses indoors due to light sensitivity.
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I totally know where you are coming from with this, but have to note that it is not a good idea to wear sunglasses inside. While it helps you feel better, your eyes will start to adjust to the glasses and you will need to wear them more. I can suggest something that can help those with sensitivity to florescent/artifical light that I use. There is a special tint called FL-41 that can be applied to any glasses. Research by the U of Utah shows that it helps those with light sensitivity for any reason. It is a pinkish tint and can be used for both inside and outside (but inside you should use a lower percentage of the tint i.e.: if you want it for sunglasses you use a higher tint.) The U of Utah actually has a center that can make glasses for you or add the tint to existing glasses. Do a google search on them. I don’t wear mine a lot, but have read about those who do (suffering from some sort of other eye problem that also causes great light sensitivity.) Also, I suggest making sure you wear sunglasses outside that are polarized and have anti-glare lens. Get a pair that have wrap sides to them to keep light from coming in there. I got some that have helped a lot.
Hope this helped. Cheers, Bonnie