Transition prescription lens (5 colors)
nmd human race price-5
Also called "photosensitive lens", it is generally achieved by adding silver halide substance to the lens itself or spin-coating a color-changing film on the lens surface. The lens darkens under strong light, and becomes transparent under indoor light. Weak automatically adjusts the color of the lens, one lens is dual-use, and automatically blocks ultraviolet rays.
just transition black , brown ,pink,purple,blue lens