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People think of sun protection as skin protection, seldom have eye protection in mind. As a matter of fact, researches show that eyes are sensitive to UV rays which would do harm to eyes and cause eyes diseases. So, we can't ignore the eye injury caused by ultraviolet radiation.
Please don't look up into the sun. The eye is a delicate tissue. Direct view to sun for a while may lead to temporary giddiness.Direct view to sun for a long time may bring about damage to eye and retina, accompanied with pain, tears, inflammation and blurred vision.
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. The UV ray of 280nm wavelength damages the cornea most badly and it brings about the conjunctivitis. The UV rays with the wavelength of 290-400nm are harmful to lens, which would result in 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%.And now we should talk about some precautions.
Wear hat or raise a parasol when you are outing. At the same time you can wear bifical eyeglasses which are also effective in protecting eyes from sunshine. What is noteworthy is that the quality of bifical sunglasses is very important to the health of eyes. Inferior sunglasses will hurt your eyes rather than protecting eyes. They may cause mydriasis. It is necessary for you to have a pair of sunglasses with a special coating that locks UV light in summer. Medical research shows that it is unnecessary to choose lenses with too dark color. Grey and light grey are more effective in blocking UV rays. People with contact lenses may also wear those with anti-UV function which are effective in cutting 90% UV rays. Your eyes will be safer if you add a pair of progressive eyeglasses.You'd better not go outside at noon when the sun is strong and are likely to threat the security of skin and eyes.

Generally speaking, people tend to associate sun protection with skin instead of eyes. As a matter of fact, researches show that eyes are sensitive to UV rays which would do harm to eyes and cause eyes diseases. For that reason, we ought to care our eyes especially in hot summer.
Never direct view sun, especially when it is strong. Eyes are very fragile. Short-term direct view to sunlight will result in an immediate shadow in eyes.One may suffer from pain, tears, inflammation and blurred vision if he/she looks up to sun for a long time.
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. The 280-nm wavelength UV ray does the greatest injury to the cornea. It is likely to cause conjunctivitis.The 290-400nm wavelength UV ray can cause biggest damage to the lens, which is also the reason for 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%.And now we should talk about some precautions.
When you are outgoing in summer, remember to wear broad-brimmed hat or use umbrella, a pair bifical eyeglasses is most effective in protecting your eyes. It is worth notice that only quality progressive glasses are good to your eyes and effective in protection. If you buy schlock sunglasses, instead of protecting eyes, you are doing harm to your eyes. Buy a pair of anti-ultraviolet sunglasses when summer comes so that your eyes will be safer. Medical study has turned out that it is wrong that the darker the better in terms of lenses. Grey is a preferential choice. People with contact lenses may also wear those with anti-UV function which are effective in cutting 90% UV rays. It will be better to wear a pair of progressive eyeglasses.At noon, the sun is strongest and your skin and eyes are at highest risk. The best way to protect you is to keep indoors.

Speaking of sun protection in summer, everyone would pay attention to their skin, few remember eyes. As a matter of fact, researches show that eyes are sensitive to UV rays which would do harm to eyes and cause eyes diseases. Hence, for health sake, eyes deserve our special attention.
Please don't look up into the sun. Eyes are very fragile. If one looks at sun directly for a moment, he/she may be dizzy to watch. Direct view to sun for a long time may bring about damage to eye and retina, accompanied with pain, tears, inflammation and blurred vision.
As everyone knows, eyes are sensitive to bright sunlight and can absorb ultraviolet radiation of any kinds. The ultraviolet radiation with 280nm wavelength does the most damage to the cornea, and it is the cause of conjunctivitis. The UV ray of 290-400nm wavelength damages the lens badly, which is also the pathogenic factor of 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%.Then what should we do in preventing the harm?
Wear hat or raise a parasol when you are outing. At the same time you can wear bifical eyeglasses which are also effective in protecting eyes from sunshine. It is worth notice that only quality bifical sunglasses are good to your eyes and effective in protection. Inferior sunglasses will hurt your eyes rather than protecting eyes. They may cause mydriasis. Buy a pair of anti-ultraviolet sunglasses when summer comes so that your eyes will be safer. It has been shown in much medical research that sunglasses of neutral density glass with grey lenses are best in blocking UV rays. People wearing contact lenses can buy UV-protective ones which are able to block 90% ultraviolet radiation. If you wear progressive eyeglasses at the same time, so much the better. Don't work or do activities outside at noon because the sum at that time is strongest and prone to hurt skin as well as eyes.