Do you need to wear sunglasses in winter?

Sunglasses have always been a must-have weapon for summer fashion and concave shape in everyone’s mind. And most of the time we think that sunglasses should only be worn in summer. But we must know that the main function of sunglasses is to prevent the damage of ultraviolet rays, and ultraviolet rays exist all year round. In order to protect our eyes, of course, we should wear sunglasses all year round. UV rays can cause us after all. Conjunctivitis, keratitis, cataracts, especially in the elderly with cataracts are increasing in number in recent years. And the age of onset tends to decrease. So you can wear it in winter. Sunglasses can also prevent wind and reduce the damage of sand and stones to your eyes. the last one. Sunglasses can greatly reduce the reflection of ultraviolet rays from the sun on snowy roads. Snow can reflect more than 90% of the ultraviolet rays in sunlight. And if we are naked, then this large amount of ultraviolet UVA will cause our skin to age, and UVB and UVC will shine into our eyes, reaching the cornea to damage the eyes. Therefore, we should also wear sunglasses to protect our eyes in winter.

So how should we buy sunglasses?

First of all, we choose the color above. Compared with summer, the light will be darker in winter. So try to choose light colors when you choose.

1. Gray lens

Absorbs infrared rays and 98% of ultraviolet rays, does not change the original color of the scene, neutral color, suitable for use by all people.

2. Pink and light purple lenses

Absorbs 95% of UV rays. It is recommended that women who often wear glasses for vision correction choose reddish lenses, which have better absorption of ultraviolet rays.

3. Brown lens

Absorbs 100% of UV rays, filters out a lot of blue light, improves visual contrast and clarity, and is a priority for middle-aged and elderly people. is the driver’s preference.

4. Light blue lenses

Can be worn when playing on the beach. Blue lenses should be avoided when driving because they can make it difficult for us to distinguish the color of traffic lights.

5. Green lens

It can effectively absorb infrared rays and 99% of ultraviolet rays, maximize the green light reaching the eyes, and make people feel fresh and comfortable. It is suitable for people who are prone to eye fatigue.

6. Yellow lens

It can absorb 100% of ultraviolet rays and absorb most of the blue light, which can improve the contrast ratio.