Can wearing sunglasses hurt your eyes?

Wearing sunglasses won't hurt your eyes, but it can also play a protective role.

In order to prevent ultraviolet rays from damaging eyes, you should wear a sun hat when going out, and choose 100% UV-proof sunglasses and a sun umbrella. In summer 10- 14 Avoid outdoor activities in the scorching sun for a long time and have an eye examination every year.

Ultraviolet light consists of three parts: UV-A, UV-B and UV-C. Among them, about 15% of UV-A will reach the retina, thus damaging the retina. 70% UV-B will be absorbed by the lens and 30% UV-B will be absorbed by the cornea, so it will hurt the lens and cornea. Ultraviolet -C is absorbed by the ozone layer.

Ultraviolet rays exist in nature all the year round. In daily life, artificial ultraviolet rays come from electric welding, ultraviolet disinfection lamps, fluorescent lamps, high-power light bulbs, lasers, artificial solar lamps, TV/computer terminals and so on.

Blue light measurement:

In order to reduce the damage of blue light to the eyes, it is best to wear anti-blue glasses and stick anti-blue film on the computer to avoid looking directly at LED light sources such as mobile phones and tablet computers for a long time, eat more fruits and vegetables and pay attention to rest.

Humans can't live without blue light, because blue light can help people adjust their biological clocks, sleep cycles and emotional control. However, with the wide application of LED lights, computers and mobile phones, the harm of blue light to eyes has attracted people's attention. The short wavelength of blue light will cause eye fatigue, macular degeneration and fundus damage after cataract surgery.

Refer to the above? People's Network-Eyes are most afraid of three kinds of light. Wear sunglasses when going out.