What should I pay attention to when choosing sunglasses

 The main functions of Womens Prescription Sunglasses: Summer sun, can damage the eyes, can cause acute injury of the eye, such as snow blindness ophthalmia (also called sun), is because of the large area of snow, or clouds Sunglasses Online, calm waters) reflect sunlight, make the outer layer of the eyeball caused by exposure to ultraviolet radiation burns, the typical symptoms of eye pain, dry, weep, sand body sensation, skin redness, conjunctival congestion, edema, Polarized Prescription Sunglasses etc. Too strong sunlight can also induce chronic eye diseases, such as cataracts, macular degeneration, pterygium, chronic conjunctivitis and so on. Investigations show that the incidence of these diseases is significantly higher in high-altitude areas than in low-altitude areas, because of the strong ultraviolet radiation in high-altitude areas. So, scientific wear Rx Sunglasses, on the one hand, can prevent the eye by ultraviolet radiation acute burn, on the other hand, still can prevent the above eye chronic disease.