The tinted reading glasses is combined the function of sunglasses and reading glasses. Some people prefer tinted reading glasses because of it look more fashion and cool. At the same time, it has some benefits than normal reading glasses. Usually, the normal reading glasses help the reader read slower through clear lenses. However, the tinted one would help the reader to read faster with the blue or purple tint under sun, because the blue range of the visual spectrum would emit more light. And it works for reducing migraine. Even it can reduce fatigue of eyes, especially the rose reading glasses.
For people who don't wear glasses, they may think people wearing tinted reading glasses is just to be cool. In fact, more than cool look, tinted reading glasses can help to releases eye strain for some people who continuous read books or focus somethings. Also, if you bothered with glares and reflective light, wearing proper tinted glasses can provide you comfortable vision by reduce glare and block reflective light.
Sometimes wearing tinted glasses do benefits for our eyes, and different colors have different functions. If you are going to have a hiking, gray and green lenses will be helpful. Dark brown lens would be better if you are driving, dark green lens would be better when you are sitting in the sun, blue lens would be better when you are playing on the beach, mercury are fit for outdoor sports men and yellow are often used in hunting. Besides, light blue and pink lens are decorative and practical applicability. All the above mentioned benefits are outdoors, and there are no benefits indoors with colored glasses. It makes pupil dilation and visual fatigue happen easier.