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Every person is at risk for eye damage from the sun. Sunglasses are made to protect your eyes from ultraviolet radiation.
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∙ 15y ago
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How and when to use sunglasses?
You use sunglasses by putting them on your head, covering your eyes. Their purpose is to protect your eyes from the sun. You use them when the sun is bothering you.
When were the first sunglasses made?
The earliest known sunglasses were made in China in the 12 century. These sunglasses were made from quartz rock. Protecting the eyes were not the only purpose of these early sunglasses. The judges in the courts of China also wore them to conceal their faces when they were questioning witnesses.
What is the purpose for sunglasses?
Sunglasses basically protect harmful UV Rays from reaching your eyes. Sunglasses help with perfect vision during the high brightness under the sun. Wearing sunglasses while driving also helps you see the road clearer. Some people wear sunglasses because they make you look cool.
Can old sunglasses be made into prescription sunglasses?
It depends upon whether the frame is optical quality or not. In other words, not every sunglasses frame can accept prescription lenses. For example, most of the inexpensive sunglasses you find along the aisle at your local pharmacy or super store are made in China and are not optical quality frames. You can purchase a pair of optical quality sunglasses frames and have your prescription put in them, but an old pair of sunglasses may not work for this purpose.
Are mirrored sunglasses just for looks or does that serve a purpose?
The mirror actually reflect a lot of harmful light so they protect you well.
How do electric sunglasses work?
Electric sunglasses are actually a brand of sunglasses, not a type of sunglasses. The Electric Visual company which makes and sells electric sunglasses is based in California.
What makes HD sunglasses different from regular sunglasses?
There is absolutely no difference between HD sunglasses and regular sunglasses. HD sunglasses are a marketing ploy to get consumers to buy their product.
What are four sentences for the word sunglasses?
Have you seen my sunglasses?People who wear sunglasses inside look silly.I think I'll get some new sunglasses.His designer sunglasses were cracked.
Why it might be less dangerous to wear no sunglasses than to wear sunglasses that do not block UV light?
Wearing sunglasses that do not block UV light are tinted sunglasses. This tinted sunglasses cause more harm than wearing no sunglasses
Why might it be less dangerous to wear no sunglasses than to wear sunglasses that do not block UV light?
Wearing sunglasses that do not block UV light are tinted sunglasses. This tinted sunglasses cause more harm than wearing no sunglasses
What are the options for a person to wear sunglasses who already have specs?
Prescription sunglasses or clip-on sunglasses.
What is the purpose of the moving hook in the middle of Porsche Carrera sunglasses?
Some models came with different color, interchangeable lenses. The hook held them in place.
