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Are photochromic (aka "Transitions") lenses a good option for me?

Are photochromic (aka "Transitions") lenses a good option for me?

Are photochromic (aka "Transitions") lenses a good option for me?

Photochromic lenses react to UV and darken to a sunglass tint accordingly.  These lenses are great for many outdoor activities such as gardening, hiking, sports, et cetera, however they are not ideal for use as sunglasses while driving, as windshields filter the UV rays that cause the lenses to change from clear to dark lenses.  

The most common complaint about these lenses is that it takes several minutes (up to 5 minutes maximum) for the lenses to get completely clear again once indoors or not in direct UV lighting.  Some stores will use UV bulbs which will also cause the lenses not to completely clear.