Does photogrey lenses get darker in cold or hot weather?!


Question: Does photogrey lenses get darker in cold or hot weather!?
Answers:
It was more marked on older forms of photochromic lenses, but all the ones I know still darken more easily when they are cold, and lighten more easily when warm!.!.!.

Skiing was always the ideal setting: go out in the light and cold: fast darken, come inside where it's dim and warm: fast lighten!.Www@Answer-Health@Com

Nope, they react to the sun's UV rays, which is why they aren't great for driving since the rays are blocked by the car!.Www@Answer-Health@Com





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