Sunglasses － Not Suitable for Everyone

Sunglasses Not Suitable for Everyone

Sunglasses Not Suitable for Everyone

As we know, people are likely to wear sunglasses in the fierce sunshine in order to protect their eyes. The demand of various glasses keeps increasing. However, do you know that not everyone is suitable to wear sunglasses?

Perhaps, some people have had the following experience: in the hot day with fierce sunshine, you feel your eyes swell and even you may suffer a temporary loss of sight. It means that you may have glaucoma. For People suffering angle closure glaucoma, the pupils are prone to dilate when you wear sunglasses or you are in the dark place. At this moment, angle closure will lead to a rapid rise in intraocular pressure. So a temporary blindness comes to you. It is reported that the pupil of the eye responds to the changes of light intensity.For example, the pupils of your eyes dilate when you enter a dark room. But when you are in bright light, the pupils will be narrowed and intraocular pressure drop, so the eyes will recover. In fact, the pupil can be narrowed or widened according to the amount of light that enters the eye. Therefore, even though they want to look attractive with sunglasses, experts warn people who have glaucoma not to wear sunglasses in order to avoid any damage to the eyes.

Besides glaucoma, we should take sunglasses seriously. If you choose low-quality sunglasses or wear them improperly, sunglasses do harm to your previous eyes instead of protecting the eyes from harmful UV. For example, if you choose a pair of unqualified sunglasses that doesn't have the function of preventing UV, your pupils will dilate after wearing sunglasses. If so, UV is easier to enter to your eyes and damage them.

There are other situations where you can't wear glasses. For achromate, it will be much harder to recognize colors with sunglasses. For neuroretinopathy sufferers, Wearing sunglasses can lead to badly conduction of nerves, and worsen your inflammation.

Generally speaking, if you have such eye diseases, you'd better not to wear sunglasses for the sake of your health. For people who have normal eyes, it is advisable for you to choose qualified and proper sunglasses while enjoying the spring/summer.

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