013) Index 1.56 SunX Photo Gray Single Vision
Single Vision SunX Photo Gray/Brown Prescription lens with Index 1.56
In the room or at night, the lenses color are basically transparent.
It is the same as the ordinary lenses, like high light transmission performance, relieve visual fatigue, and make your vision clear.
Lens under the action of ultraviolet light in the sun, ultraviolet dark color change deeper, isolated from UV damage, anytime, anywhere to protect your eyes.