Wearing low-quality sunglasses can easily cause cataracts

u003cbru003eIt is about to enter the hot summer, in order to avoid the strong sun and ultraviolet rays from burning the eyes, many people always don't forget to wear glasses.com/sunglasses-1.html' target='_blank'>sunglasses when they go out. However, the editor learned from the Eye Center of Shanghai Ren’ai Hospital yesterday that cataracts have become a major problem threatening human eye health. The main reason is that in addition to strong sunlight and the patient’s own age and immune system problems, it is also related to people not paying attention to eye use. Hygiene, caused by wearing unqualified sunglasses indiscriminately. Inferior lens condensed the eyes in the hospital. The editor saw the old Master Li who was undergoing surgery. He told reporters that a few days ago he found that his vision was a little blurred, so he went to the hospital for examination. The doctor told him that he was suffering from a moderate degree. Cataracts, if left untreated, will cause blindness in the eyes. According to Master Li's memory, two weeks ago, he spent 16 yuan on the street to buy a pair of sunglasses, which he often used. Until a few days ago, he suddenly felt tingling and itching in his eyes, so he came to see a doctor. After a comprehensive examination, the doctor told him that it might be caused by long-term light stimulation. After he took the sunglasses for testing, the experts told him that the sunglasses he bought were fake and inferior, which did not protect the eyes at all. On the contrary, the sunglasses would collect light and cause serious damage to the eyes, so he realized it.  Wearing low-quality sunglasses is easy to get cataracts  According to Wang Yi, director of the Department of Ophthalmology of Shanghai Renai Hospital, if you wear sunglasses without UV protection, it is more dangerous than not wearing sunglasses. Because the human body has an instinctive response to self-protection. When the eyes are exposed to strong light, the pupils will naturally become smaller, which reduces the ultraviolet energy entering the eyes. Once unqualified sunglasses with darker colors are worn, the pupils will be dilated. The upper glasses do not have the effect of isolating ultraviolet rays. At this time, the eyes are wide open, and the energy of the invading ultraviolet rays is greatly increased. The damage to the eyes can be imagined. Among the ophthalmology patients she handled, 40% to 50% of the patients who caused cataracts and other related diseases caused by wearing inappropriate or inferior sunglasses. Don’t worry about the UV logo on sunglasses. In view of the fact that true and false sunglasses on the market are hard to distinguish between good and bad, the staff of the Shanghai Municipal Health Supervision Office reminded the public: When buying, the qualified sunglasses generally indicate the UV label, and the glasses are exposed to the sun. Looking through the lens, the surface of the lens is extremely clear and there are no spots; fake sunglasses generally do not have UV signs, and the materials used are plastic, yakari (glasses manufacturing material) or leftover materials from the spectacle factory. The surface of the lens can be found through the lens. There is a polished pattern, which looks cloudy. In addition, the lens cannot have the 'power' that an optical lens has. Generally, if the diopter exceeds 15%, you will feel dizzy when wearing it.
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