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Here are six things to keep in mind when buying sunglasses

Here are six things to keep in mind when buying sunglasses

(Summary description)It is well known that prolonged UV exposure can cause skin changes, such as: skin erythema, skin burns, hyperpigmentation, and even skin cancer. The summer in Chongqing has always been famous all over the country. Although sunscreen should be used all year round, it seems that only in summer, in order not to get sunburned, people will really take sunscreen seriously.

Here are six things to keep in mind when buying sunglasses

(Summary description)It is well known that prolonged UV exposure can cause skin changes, such as: skin erythema, skin burns, hyperpigmentation, and even skin cancer. The summer in Chongqing has always been famous all over the country. Although sunscreen should be used all year round, it seems that only in summer, in order not to get sunburned, people will really take sunscreen seriously.

Information

It is well known that prolonged UV exposure can cause skin changes, such as: skin erythema, skin burns, hyperpigmentation, and even skin cancer. The summer in Chongqing has always been famous all over the country. Although sunscreen should be used all year round, it seems that only in summer, in order not to get sunburned, people will really take sunscreen seriously.

But you know what? UV radiation can also cause damage to the eyes and, in severe cases, blindness. So, how to do sunscreen under the eyes in summer? On the occasion of the National Eye Care Day on June 6, we may wish to learn about the relevant knowledge.

No sun protection in the hot sun can hurt your eyes

The eyes are the part that receives the direct ultraviolet rays from the sun. If you do not pay attention to eye protection under the hot sun, it is easy to cause cataracts, fundus damage and other diseases.

In the article "Ultraviolet Radiation and Human Health" published by the World Health Organization, the harm of ultraviolet rays to the eyes is published. The article pointed out that about 18 million people worldwide are blind due to cataracts, of which 5% may be caused by ultraviolet radiation. And ultraviolet rays can also cause other serious eye diseases - keratitis, retinal damage, macular degeneration, snow blindness, etc.

So, how to sunscreen your eyes in summer? Reducing sun exposure and proper eye protection are the two principles to avoid UV damage to the eyes. It is worth noting that from 11:00 a.m. to 14:00 p.m., direct sunlight and strong ultraviolet radiation can cause great damage to the eyes, especially sun protection.

Concave type, sun protection, refusal to be damaged by the sun

In daily life, in addition to applying sunscreen and umbrellas, fashionable sunglasses that can be concave have become the first choice for most people. Inferior sunglasses not only fail to protect against UV rays, but also cause damage to the eyes. So, what should you pay attention to when buying sunglasses?

1. Don't buy at will, you should go to a regular optician institution (hospital or regular optical shop) to buy sunglasses with UV protection function produced by regular manufacturers.

2. Don't use tinted glasses as sunglasses. Because this kind of glasses does not have the effect of isolating ultraviolet rays, after wearing them, the eyes are equivalent to opening the door, and the damage to the eyes can be imagined if the ultraviolet rays invade.

3. The wearing time should not be too long. After wearing sunglasses, the visible light entering the eye is reduced, and the pupil will naturally enlarge, resulting in a narrow anterior chamber angle. Over a long period of time, it is easy to induce an acute attack of angle-closure glaucoma, and patients may also experience redness, eye pain, headache, sharp loss of vision, and even nausea, vomiting and other symptoms.

4. In addition to style and price, it is also important to choose according to face shape and interpupillary distance when purchasing sunglasses. Because sunglasses that are too big or too small, may cause eye discomfort after wearing them.

5. The shade of sunglasses should be moderate. Brown, gray and green are the first choices. Because the color is too light, the ability to resist strong light will be weakened, and you will still feel dazzling and uncomfortable when you go to outdoor activities with sufficient sunlight.

6. Children under the age of six should not wear sunglasses. Because the visual function of children who are too young has not yet developed to a normal level, wearing sunglasses for a long time may affect visual development, and may even cause or aggravate amblyopia. In addition, children may have poor self-control or have not yet fully established motor coordination, resulting in glasses poking their eyes or face after a fall.

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