Sunglasses are Good for Your Eyes....

A good pair of sunglasses can help protect your eyes from eye damage from the sun . Thus , according to experts , you need to know the criteria for selecting a good sunglasses before buying a new one in the store .Exposure to ultraviolet light ( UV ) in a long time , said the researchers from the University of California at Berkeley , can cause many problems such as cataracts , skin cancer around the eyes and lines around the eyes , and other eye melanoma .


In America , there is no specific standard for sunglasses and printed labels are not consistent so confusing . Stickers are printed on the glasses says , " UV blocks " or " UV absorbent " which is meaningless because it does not explain how much protection from the UV . The safest is to use sunglasses that claim to protect the overall UV . For example , " 99-100 percent UV absorbent " or " UV400 " .But there is no independent verification of these claims so you might want an optician to test your sunglasses to determine the truth of these claims , according to researchers at UC Berkeley in a press release .For those who are not going to buy new sunglasses , it's good to check your sunglasses in the optical near as scratches and abrasion UV coating can degrade over time . An optician can coat the back of UV protection in sunglasses .

All you need to remember that the darker lenses do not necessarily provide higher protection . Darker lenses do not block the UV rays also so that it can be more dangerous than not wearing sunglasses at all . Because the pupils open wider so it makes a lot more UV rays entering the eye .The larger frame glasses , the better . This is because the frame to cover the entry of direct sunlight , the researchers said , but it still can cause distortion .Therefore , every person , including children and those who wear contact lenses , you should be wearing sunglasses when outdoors. Pupils children are very susceptible to UV rays and contact lenses containing UV protection was still considered inadequate.Sunglasses are very important for those who are sensitive to sunlight due to treatment or due to other reasons , and for those who have just undergone cataract surgery ....



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