Wearing dark glasses prevent cataracts 
 
 
Our special correspondent in Beijing youan hospital Liu Hui 
 
 
Source: life times 

        Every summer, the number will increase eye clinic patients. A lot of old people, in particular, where light strongly after traveling for pleasure, discomfort, such as unclear vision, serious and even develop into cataracts. Actually, eyes also need sunscreen, a lot of cataract is "sun". 
 
        Studies have found that exposure to strong sunlight for a long time, can significantly increase the risk of cataracts. Such as exposure to strong light as welders and like outdoor activities, the proportion of cataracts is higher than the rest of the population. And the survey found that in sunny areas such as Tibet, the incidence of age-related cataract. It's like sunburn, skin contact too much sunshine, local produce harmful free radicals, lead to metabolic disorder of the lens of the eye, resulting in a decline in crystal transparency, gradually developed into crystal opacity, eventually a cataract. 
 
        Therefore, Beijing youan hospital affiliated to the capital university of medical sciences, professor of ophthalmology chun-gang guo reminded, protect your eyes from the details of life. First try to avoid glare in summer. Sun, outdoor activities, it is best put on dark glasses or the wide-brim hats, reduce eyes to accept the amount of uv radiation. The study found that people who go out used to wear sunglasses, a 40% lower ratio of cataracts. In addition, vitamin C, appropriate eat more tomatoes, oranges, apples, grapes, watermelon, kiwi fruits and vegetables, etc. Finally, keep in a buoyant mood, avoid excessive emotional stimuli and volatility. Old people don't consider cataract will let yourself be blind "terminally ill", unhappy all day. Early performance of decreased vision and so on to see a doctor in a timely manner, through drug to improve symptoms such as eye drops, delay the development of cataracts. When severe, but through the surgery.
 
 
 
The original link: http://paper.people.com.cn/smsb/html/2013-07/19/content_1270305.htm