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1.56 Blue Cut Bifocal Flat Top Photochromic Gray HMC Optical lenses
Color-changing glasses can change color with the light, such as brown or ink in the outdoor strong light, and transparent in the indoor, can play a protective role in the eyes, especially in the prevention of ultraviolet radiation and blue light filtering is of great help.
For people with myopia who need to wear sunglasses to go out, color-changing glasses can save the burden of replacing myopic glasses and sunglasses, and can also solve the problem that some women are not easy to carry multiple glasses without pockets.
