u003cbru003eSunglasses are also called sunglasses
, which are 'labor insurance' products to protect the eyes under strong light. Wearing this kind of lens can block ultraviolet and infrared rays. At the same time, the color of the external environment does not change, only the light intensity changes, as if it is cloudy, and it feels cool and comfortable. An article published in the American 'Medical and Science' magazine pointed out that in most cases, the main purpose of people wearing sunglasses is to prevent ultraviolet rays, but there may be 'misunderstandings' in understanding. For example, some people think that since wearing sunglasses can protect against ultraviolet rays, the longer you wear them, the better the preventive effect should be. Therefore, they wear sunglasses almost every day when they go out, and they don't bother to take them off even indoors. From the perspective of eye health, this habit should be corrected in time. Ray-Ban RB3025 Unisex Sunglasses 112/17 Gold Frame Blue Sheet (Colorful) Disadvantages of Wearing Sunglasses for a Long Time After ordinary people wear sunglasses, the perception of external objects in their eyes will be very different in normal times, specifically in the following two aspects: First of all, the contrast of the object viewed by the eye is very different. After wearing sunglasses, many people will feel that seeing things is not as clear as when they don't wear sunglasses. In order to see more clearly, they will naturally look at objects vigorously. Over time, the degree of eye fatigue will increase. Ophthalmologists believe that colored sunglasses will put people’s eyes in relatively dim light, and people’s pupils will be dilated subconsciously. If people’s eyes are in this state for a long time, even if the original vision is good, it will be different in the future. Degenerate. However, this degradation process is relatively slow and difficult to be noticed in the short term, so it is easier to make people take it lightly. Secondly, although the ultraviolet rays in the sun can be partially blocked by the sunglasses lens, medical research has proved that the ultraviolet rays are first absorbed by the lens and then emitted. Therefore, after wearing the sunglasses, the pupils of the person will be in flashing light and dark. The state of large and small is also the reason why people feel uncomfortable after wearing sunglasses. Dr. Edward, who has been operating an ophthalmology clinic in New York for nearly 20 years, said that many of his patients have very good eyesight, but suddenly they feel eye discomfort for a while. After inspection, he found that it was all caused by sunglasses. These minor ophthalmology patients, because they need to drive by themselves, almost always wear sunglasses. They rarely take off sunglasses after getting out of the car and entering the room. Some people even wear them continuously for more than 8 hours, which is good for eye health. Caused harm. Wearing sunglasses for a long time suffering from 'sunglasses syndrome' Mr. Du claims to wear sunglasses has become a habit, as long as the sun must wear sunglasses. According to experts, wearing sunglasses can indeed reduce the damage of ultraviolet rays to the eyes, but it should be noted that improper selection and wearing of sunglasses can harm the eyes and damage the eyesight. In addition, the wearing time of sunglasses should not be too long. After wearing sunglasses for a long time for 1-2 weeks, symptoms such as skin numbness and unconsciousness will appear between the eyes or between the cheeks. When breathing, there will be nasal discomfort, like suffering from it. Cold; some people will also feel that there are small bugs crawling on their faces and eyes swelling, these are the manifestations of 'sunglass syndrome'. YC9711 Men’s Sunglasses C1 Black/Colorful Red Inferior Sunglasses are the most eye-catching Dr. Edward advises people to be cautious when choosing sunglasses and not to buy cheap sunglasses. If you are in an environment where the ultraviolet rays are not too strong, you should take off your sunglasses in time. At the same time, to be on the safe side, people with glaucoma, color blindness, night blindness, and optic nerve omentitis should stay away from sunglasses. Middle-aged and elderly people with degraded vision and preschool children with weak optic nerves should not wear sunglasses at any time. This article is from 360 common sense network, if you need to delete it, please contact email@example.com
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