If you wear glasses,do you need prescribed sunglasses?

eye glasses come little clip on sunglass coverings. can big sunglasses fit on eyeglasses, kind of odd. there special lenses lighten in low light conditions, , darker when out in sun.


or can me , squint lot in bright light. baseball cap helps.

i wanted ray-bans mom nono need prescription eye doctor first.if wear normal sunglasses sell commonly in stores,you cant see.im o__o come again...why sell then.is limited people perfect vision --"

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