How to choose sunglasses summer bask in the elderly

In the burning sun of summer, many young people will have to wear a pair of sunglasses, sunscreen also reveal not only their own fashion sense. A lot of old people, it seems, summer wear sunglasses is chasing the young fashion. But, in fact, prevent bask in summer for the old man is just as important, which can effectively prevent the happening of the certain eye lesions. Recommended reading: it is necessary to take a pair of sunglasses in the summer? Excessive ultraviolet ray direct eyes, summer can cause corneal edema, symptoms such as tears, pain, and thereby affect vision. According to foreign authoritative ophthalmology magazine, for a long time in the sun exposure can cause early 'amd', which is one of the main factor causing the elderly decreased vision. And for patients with cataract, keratitis and conjunctivitis, retinal detachment, such as eye disease patients, wearing sunglasses can promote the recovery of disease, bring enough in sorching summer cool and refreshing and protection. Old people when choosing sunglasses, had better choose lens to block uv, must scrutinize logo, price is not the spirit can provide stronger protection. The old man can choose different sunglasses in different occasions. When fishing for example should choose the polarizer, can eliminate the glare from all directions, make a view more clear. Outside the old man to climb a mountain, you can choose gray, dark brown sunglasses, uv protection function best. Wearing sunglasses there are some matters needing attention. Or crossing the street to the shadow, to remove the sunglasses in a timely manner, because from the light to the dark, or to the people car concentration, eyes have a adapt to the process, easy to cause the person can't see, at this time should be timely remove sunglasses, safer. Wear sunglasses shoulds not be too long, every one or two hours suggest take a break, gently massage eye week, otherwise easy to symptoms such as headache, be agitated, blurry vision, even lead to decreased vision. Crystal aging, the old man can't wearing sunglasses for a long time, otherwise it will cause the iris root accumulation, cause aqueous outflow obstruction, increased intraocular pressure. In addition, glaucoma, retinitis, color blindness, night blindness, the old man is not suitable for wearing sunglasses. Besides use sunglasses to protect his eyes, still is important to note that uv at 10 o 'clock in the morning until 2 PM to achieve maximum intensity, at this time should be out less as far as possible, or go where can reflect light, less water, sand, these places will increase the chance of the light projected onto the eye.