Most of blind people like to wear dark glasses for disguise. Commonly, some blind people usually roll their eyes, wearing dark glasses can prevent others from seeing their eyes. Besides, for some blind people, even if they have the same look as normal people, their eyes usually out of focus and always look in one point. It make them look dull. Wearing dark glasses can disguise their eyes. Still, there are some blind people wear glasses because their doctor suggest to. Most legally blind people are not 100% blind, they have some functional vision. Wearing dark glasses can also protect their eyes from UV rays and sunlight.