Top Ranking Choice for Middle Age and Old People: Progressive Eyeglasses

Everyone cares about their skin in summer, while few notices that eyes also need sun protection

. Actually, studies have shown that UV can lead to many eye problems such as keratitis, cataracts and retinal damage. The damage it causes to eyes can not be ignored, Therefore, we should pay attention to eye protection from sunshine.

Don't look directly at the harsh glare of the sun. Eyes are very fragile. looking directly at the sun for a short period will cause temporary blindness. Long-time direct view will lead to pain, tears, inflammation and blurred vision and so on, thus damage the retina.

Eyes are the most sensitive part to UV, and they can absorb UV in all wavelengths. Among them, the UV rays with 280nm wavelength are most harmful to the cornea and even cause conjunctivitis. The ultraviolet radiation with 290-400nm wavelength causes great damage to the lens, and it is also the cause 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. Then, what should we do to prevent harmful UV?

Wear a set of hat or employ a parasol when you go outside. Meanwhile you can wear a pair of sunglasses which prevents direct sunlight to eyes. But be careful that the quality of the sunglasses must be ganranteed. If the lenses of the sunglasses only get painted colours, such sunglasses can make the pupil expand causing more damage instead of protecting the eyes form the sun.

It is necessary for you to have a pair of glasses with a special coating that locks UV light in summer. Medical studies have shown that sunglasses with neutual glass and grey lens are best, and those with too darker color are easy to make eyes receive more UV, which is not right choice. If you are a contact lenses wearer, you can also choose contact lenses of anti-UV which are able to cut 90% ultraviolet radiation. That will be even better to put on a pair of eyeglasses.

The strong sun at noon does great harm to both your skin and eyes; the wisest solution to protect you is simply staying at home.

Top Ranking Choice for Middle Age and Old People: Progressive Eyeglasses

By: ketaivip

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