Damage the eyes wearing bad sunglasses

So, the summer would wear plastic lenses of sunglasses eyes hurt? Reporters came to the Second People'sHospital of Nanning, interviews were conducted consultation.
"If the failure is wearing sunglasses, lenses deeper the color, but the greater the damage to the eyes." Hospitalophthalmologist, said the poor quality sunglasses best advised not to wear. Because the inferior sunglasses can not block UV, so the purchase should go to regular glasses or sunglasses shop to buy, but it is best to wearlight color that sunglasses.
According to reports, wearing dark-colored or poor quality resin sunglasses, the light dimmed eyes, the humanpupil in the dark will become larger, thereby increasing the light entering the eye, and poor quality sunglassescan not block the UV rays. Therefore, making the amount of UV entering the eye will be increased.
Low-quality sunglasses to wear for a long time, will make people ranging from dry eyes, fatigue, burning and pain, tearing, or cause dizziness, nausea, vomiting and discomfort; weight is likely to eye cornea and lens andcause irreversible damage to the retina even likely to cause cataracts, retinal light damage and other diseases.
It is understood, was able to block UV sunglasses, because the lenses add a layer of special coating, in theblock, absorb ultraviolet rays, but also blocked part of the useful light, the lens transmittance decreased.
Generally of good quality sunglasses, UV-blocking ability, light transmission decreased and small, does not affect the general visual clarity, and a certain hardness of the lens coating, the surface is not easy to wear.
However, poor quality sunglasses coating easily damaged, irregular surface of the lens to see objects outside the deformation distortion to the eye soreness, the gradual emergence of nausea, loss of appetite, forgetfulness, insomnia and other symptoms of visual fatigue.