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So don't choose sunglasses

by:Eugenia     2020-07-30
There are three: the role of people wear sunglasses shielding ultraviolet burn of eye, cataract patients rely on glasses reduce the stimulation of visible light to the eyes, reduce infrared crystal to retinal damage through human eyes. But the tinted glasses does not necessarily can block ultraviolet light, tu shangkang ultraviolet ray only on the lens and film, can be used as sunglasses. Sunglasses factory ms YC9702 sunglasses C3 black/lens dazzle colour blue, therefore, some inferior sunglasses can't block ultraviolet light into light transmittance and the lens is low, serious eyes as in a dark room, the pupil greaten, the remnants of uv light into the eye, make the eye damage caused by sunlight keratitis, corneal endothelial injury, fundus diseases such as macular degeneration. Some do not conform to the standard lenses have diopter overweight or lens surface is not smooth, have raised and prismatic interface, even have bubbles, when looking outside objects produce distortion, deformation, make the eye acid bilges, cause nausea, loss of appetite, forgetfulness, vision fatigue symptom such as insomnia, long wear, myopic eye problems such as easily lead to decreased vision. Sunglasses factory ms YC9703 sunglasses black/C3 dazzle colour blue, therefore, the choose and buy sunglasses to professional optical optical shop and regular store. In addition, people when choosing sunglasses like red and green, the light color and medical claims on the violation. In fact, dark brown, light green and so on is beneficial eye color. Also note that darker sunglasses reduce eye's ability to distinguish colors, easy to cause traffic accidents. Sunglasses factory YC9708 general sunglasses C7 black box silver leg/lens ash for the elderly and glaucoma or suspected glaucoma, try to reduce the time of the colored glasses. Because on the one hand, the elderly crystals aging, wearing dark glasses for a long time can cause the iris root accumulation, cause aqueous outflow obstruction, cause increased intraocular pressure, and for glaucoma patients or suspected glaucoma, are more likely to cause glaucoma. Glaucoma patients, on the other hand, loss of contrast sensitivity in patients with dark glasses can increase more vision is not clear, so as to affect vision. In addition, unfavorable let children wear sunglasses, because the sunglasses can make children of light to stimulate the retina greatly abate, affect the development vision, even can form amblyopia.
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