Please talk about why you should wear a pair of sunglasses when you go out in summer according to the relationship between light and heat. This kind of sunglasses is very attractive.

The sun has long and short waves, which contain a lot of ultraviolet rays and ultraviolet rays. If you are exposed to these radiation for a long time, some of them will hurt your eyes. Among them, blue light is easy to cause macular degeneration and astigmatism, and the elderly are easy to get cataracts. And when the sun is hot in summer, their eyes are prone to sunburn. Wearing sunglasses in summer can play the role of shading and avoiding light, so that the light will become softer under your sunglasses. Just like photophobia after eye surgery, sunglasses have played a very good role.