Blue light has a wavelength of 400nm to 480nm and high energy. It mainly exists in the light emitted by computer and mobile phone screens, which is easy to damage the retinal pigment epithelium of human eyes and easily induce fundus-related diseases. Anti-blue glasses can effectively filter blue light and reduce the harm to human eyes, which is suitable for people who use electronic equipment for a long time.
Disadvantages of blue glasses:
However, most of the anti-blue glasses on the market have a high blocking rate for blue light, which will obviously reduce the human eye's perception of the screen brightness of electronic facilities, aggravate visual fatigue and easily deepen myopia. At the same time, the standard of anti-blue glasses is only a recommended standard. The quality of glasses on the market is uneven, and improper selection will increase the burden on the eyeball. Anti-blue glasses have advantages and disadvantages, and should not be worn blindly. It is recommended to keep good eye habits.