options - 1) direct sun glasses where it will look like sunglasses exactly but will have incorporated with your power 2) photochromatic glasses where normal power glasses chenges automatically into black coolers when you go in the sun light and will revert back to normal glasses when u come inside the house or any 3) glasses available with the above mentioned photochromatic + antireflection coating (this prevents glare of the refrlection provided by the sun light) 4 ) these are available in any lenskart, specs maker, thurokiya any shops (can get crysal lens)

choice is yours