Fashionable bifocal sunglasses for attractive lady
Mention sun protection, most people think of skin protection, and rarely think of eye protection. In practice, researches indicate that eyes exposure to ultraviolet radiation will do injury and even cause diseases to eyes. For that reason, we ought to care our eyes especially in hot summer.
Please don't look up into the sun. Eyes are more vulnerable. Direct view to sun for a while may lead to temporary giddiness.One may suffer from pain, tears, inflammation and blurred vision if he/she looks up to sun for a long time.
As everyone knows, eyes are sensitive to bright sunlight and can absorb ultraviolet radiation of any kinds. The 280nm ultraviolet radiation does maximum damage to the cornea and seems to cause conjunctivitis. The UV ray of 290-400nm wavelength damages the lens badly, which is also the pathogenic factor of cataract.Research suggests that one more hour you bask in the sun every day; you are likely to get cataract with 10% more chance. So then what shall we do in daily life?
If you stay out in the sun, you'd better make use of hat, umbrella and bifical eyeglasses to protect your eyes from sunlight. What is noteworthy is that the quality of progressive glasses is very important to the health of eyes. Sunglasses of poor quality can't help in protection but result in injury to eyes. One must buy himself/herself a pair of sunglasses with anti-UV function. Medical studies have certified that lenses in grey are best as grey have little influence on the effect of vision but effective in anti-UV. If you wear contact lenses, you can choose those with anti-UV function which can block 90% ultraviolet rays.It would be safer to add a pair of progressive eyewear. The sun is strongest at noon, which is harmful to both your skin and eyes. You'd better stay at home without going out.
Please don't look up into the sun. Eyes are more vulnerable. Direct view to sun for a while may lead to temporary giddiness.One may suffer from pain, tears, inflammation and blurred vision if he/she looks up to sun for a long time.
As everyone knows, eyes are sensitive to bright sunlight and can absorb ultraviolet radiation of any kinds. The 280nm ultraviolet radiation does maximum damage to the cornea and seems to cause conjunctivitis. The UV ray of 290-400nm wavelength damages the lens badly, which is also the pathogenic factor of cataract.Research suggests that one more hour you bask in the sun every day; you are likely to get cataract with 10% more chance. So then what shall we do in daily life?
If you stay out in the sun, you'd better make use of hat, umbrella and bifical eyeglasses to protect your eyes from sunlight. What is noteworthy is that the quality of progressive glasses is very important to the health of eyes. Sunglasses of poor quality can't help in protection but result in injury to eyes. One must buy himself/herself a pair of sunglasses with anti-UV function. Medical studies have certified that lenses in grey are best as grey have little influence on the effect of vision but effective in anti-UV. If you wear contact lenses, you can choose those with anti-UV function which can block 90% ultraviolet rays.It would be safer to add a pair of progressive eyewear. The sun is strongest at noon, which is harmful to both your skin and eyes. You'd better stay at home without going out.
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