Means to Safeguard Eyes against Sun

Speaking of sun protection in summer, everyone would pay attention to their skin, few remember eyes. In fact, studies have shown that ultraviolet light can cause keratitis, cataracts, retinal damage and other eye disease, so that the damage of ultraviolet can not be ignored. For that reason, we ought to care our eyes especially in hot summer.

Never direct view sun, especially when it is strong. Eyes are extremely weak. Exposure to sun, which is brief, may cause temporary giddiness. Direct view to sun for long time may result in those phenomenons such as pain of eyes, tearing, inflammation, and blurred vision and so on.

Eyes have been well known to be fragile and sensitive to ultraviolet radiation. They are also good at ultraviolet absorption. In them, which does greatest damage to the cornea is the UV radiation with 280 wavelengths that could lead to conjunctivitis too. The ultraviolet radiation with 290-400nm wavelength causes great damage to the lens, and it is also the cause of cataract.

Studies indexes that one more hour every day you expose to the sunlight, the 10% more possibility you may get cataract. So what can we do to prevent the injury?

When going out, remember to wear the hat or get the parasol and wear the cheap glasses in order to prevent the sunlight form directly going into the eyes. It is notable that you should pay attention to the quality when you purchase sunglasses. Poor sunglasses are not helpful in protecting your eyes; instead, they may cause a lot of problems to eyes.

It is necessary for you to have a pair of eyeglasses frams with a special coating that locks UV light in summer. Medical studies have shown that the neutral glass and gray lens are the best choices for sunglasses, because the deep-colored lens will easily adopt more UV. People who wear contact lenses can choose those which have the function of anti-ultraviolet ray, because they are able to filter 90% of the ultraviolet ray. If they can wear sports eyeglasses in addition, their eyes will be in a much safer situation.

It’s best to avoid going out at noon when the sun is very strong and much harmful to our skin and eyes.