Generally speaking, people tend to associate sun protection with skin instead of eyes. In fact, studies have shown that ultraviolet light can cause keratitis, cataracts, retinal damage and other eye diseases, which cannot be ignored. Therefore, we should also attach importance to the protection of the eyes from the sunlight.
Please don’t look up into the sun. Eyes are fragile and likely to be hurt. A short-time looking straightly at the sun will result in transient darkness in front of your eyes. However, looking straightly at the sun for a long time will lead to symptoms such as ache, tears, swell, vagueness and so on, thus harming the retina.
It is well known that eyes are the most sensitive part to the ultraviolet radiation and they can widely absorb UV rays of different wavelengths. among which the ultraviolet ray of 280 mμm wave-length is the most harmful to the retina and it may cause UV gland conjunctivitis. The 290-400nm wavelength ones are prone to hurt lens and cause cataract.
Surveys show that if you bask yourself in the sun for one more hour every day, the rate that you get cataract increase 10%. So, what can we do to prevent these eye disease at usual?
Wear coat, hat and eyeglasses when outing, which is good for your skin as well as your delicate eyes. It is worth notice that only quality sunglasses are good to your eyes and effective in protection. The poor quality sunglasses with tinted lenses only can’t help in sun protection but result in injuries to eyes.
One must buy himself/herself a pair of glasses online with anti-UV function. Medical search results have proved that grey lenses are the best choice; lenses of too dark color may pass more UV rays to eyes. People who generally wear contact lenses can choose the ones with anti-ultraviolet function, which can filter out 90% UV. And if you add a pair of prescription eyeglasses, your eyes will be much safer.
It would be good for your skin and eyes to stay in the shade as possible when the sun is strong at noon.
