Snappy bifocal sunglasses exclusively for brilliant girl
Speaking of sun protection in summer, everyone would pay attention to their skin, few remember eyes. Instead, surveys show that ultraviolet radiation is the main cause of some eye diseases, such as keratitis, cataracts, retinal damage. So, we can't ignore the eye injury caused by ultraviolet radiation.
Never look sun straightly in the sunny days. Eyes are more vulnerable. Direct view to sun for a while may lead to temporary giddiness.Long-time direct view will lead to pain, tears, inflammation and blurred vision and so on, thus damage the retina.
As is well known, eye is a delicate tissue that is sensitive to UV rays. It can absorb UV rays with various wavelengths. The ultraviolet radiation with 280nm wavelength does the most damage to the cornea, and it is the cause of 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%.Well then, I'd like to tell you some preventive measures.
When you go out in hot summer days, you must bring hat, parasol and bifical eyeglasses with you for sun protection use. What is noteworthy is that the quality of bifical sunglasses is very important to the health of eyes. If your sunglasses are poor in quality, your eyes will suffer instead of benefit. It is necessary for you to have a pair of sunglasses with a special coating that locks UV light in summer. It has been shown in much medical research that sunglasses of neutral density glass with grey lenses are best in blocking UV rays. Those who wear contact lenses can also choose those with anti-VU code which can block 90% UV rays. Your eyes will be safer if you add a pair of progressive eyeglasses.It's best to avoiding going out at noon when the sun is very strong and much harmful to our skin and eyes.
Never look sun straightly in the sunny days. Eyes are more vulnerable. Direct view to sun for a while may lead to temporary giddiness.Long-time direct view will lead to pain, tears, inflammation and blurred vision and so on, thus damage the retina.
As is well known, eye is a delicate tissue that is sensitive to UV rays. It can absorb UV rays with various wavelengths. The ultraviolet radiation with 280nm wavelength does the most damage to the cornea, and it is the cause of 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%.Well then, I'd like to tell you some preventive measures.
When you go out in hot summer days, you must bring hat, parasol and bifical eyeglasses with you for sun protection use. What is noteworthy is that the quality of bifical sunglasses is very important to the health of eyes. If your sunglasses are poor in quality, your eyes will suffer instead of benefit. It is necessary for you to have a pair of sunglasses with a special coating that locks UV light in summer. It has been shown in much medical research that sunglasses of neutral density glass with grey lenses are best in blocking UV rays. Those who wear contact lenses can also choose those with anti-VU code which can block 90% UV rays. Your eyes will be safer if you add a pair of progressive eyeglasses.It's best to avoiding going out at noon when the sun is very strong and much harmful to our skin and eyes.
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