Beware of inferior sunglasses eye injury 
 
 
The correspondent Hu Wenying 
 
 
China's traditional Chinese medicine to 

        Summer, umbrellas, caps, sunglasses become many people travel essential wardrobe. Recently, worked as an intern in a unit of the college students to tell the doctor, he spends 20 yuan on a roadside stall to buy a pair of sunglasses, with less than a day will feel dizzy to ou. The expert reminds, the inferior sunglasses not only sunscreen would hurt eyes. 
 
        Sunglasses can block ultraviolet light, because the lens and add a layer of special coating. Better quality sunglasses can block ultraviolet light, and light transmittance can make fall, generally does not affect the jaw clarity, vision and lens coating high hardness, not easy to wear and tear. The inferior sunglasses are less transparent, uneven coating and easily damaged, the lens surface is irregular, see things easily distorted, difficult to have the effect of uv protection. 
 
        Xiangyang city, hubei province hospital of traditional Chinese medicine of doctor of vice director of ophthalmology Xu Naihua analysis, generally speaking, different people will choose according to different preferences or use sunglasses, but the most basic principle is to wear glasses can't damage the eyes, at the same time, should have to reduce glare, clear vision deformation, uv protection, no distortion of color identification, accurate to identify the basic function such as traffic signals. When people wear cheap eyeglasses, the light will dim, the pupil will be amplified, thus make eye fatigue and generate acid bilges feeling, easy to induce acute angle-closure glaucoma, and gradually appear the symptom such as nausea and dizziness. At the same time, can also lead to more ultraviolet light into the eye, have caused the risk of diseases such as cataracts, fundus retinal light damage. 
 
        He reminded, choose sunglasses, must choose normal manufacturer product, must not covet is cheap. For glaucoma patients or suspected patients with glaucoma, is unfavorable to wear sunglasses, children are not easy to wear sunglasses for a long time.
 
 
 
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