NoIR fit-over style filters can help people minimize eye discomfort and maximize visual resolution. Filter shade number 50 - yellow - provides 100% ultraviolet protection. These sunglasses allow in 87% of visible light which heightens contrast and maximizes brightness. These also feature blue blocker protection.
This standard (medium) fit-over style frame may be worn over most prescription frames or worn alone. The entire body of these fit-over sunglasses are made out of this same filter color. It features side shields with temple lapped construction to keep out extraneous light and wind and it has curved temple pieces for a non-slip fit.
Standard (medium) size (#U) measures 145mm x 145mm x 54mm (5.71" x 5.71" x 2.13").