Everyone wants to look good in their sunglasses but what really counts is the protection they provide from the harmful rays of the sun.
You may not know it, but sunglasses were originally created to aid Navy pilots who were flying at high altitudes. Today there are a multitude of styles and colors to choose from but the main purpose for wearing sunglasses is the same.
The best sunglasses provide 100 percent protection against harmful ultraviolet rays. They prevent ultraviolet rays from penetrating and damaging the cornea. The first sunglasses used glass lenses. The glass was ground using an optical grinder and then treated for UV protection. This provides protection and prevents distortion.
Lenses with distortions can bring on headaches and dizziness for the wearer. So wearing sunglasses with optically ground lenses is important for the clearest vision.
Glass provides a natural protection against UV rays, so it will provide the wearer with the proper amount of protection from the sun.
Next let’s discuss the color or tint of your sunglasses. The best sunglasses are dark enough so that only about 15 percent of sunlight penetrates the lens and reaches the eye.
In tests, scientists learned that the glare pilots experienced flying in high altitudes, was best reduced by glasses that blocked out 85 percent of sunlight. When selecting sunglasses for yourself, remember to that darker is better for blocking out UV rays.
There are a lot of things to consider when choosing the right pair of sunglasses. If you’re looking for the best sunglasses with optimum UV protection, find a pair that uses optically ground glass and a tint that only allows 15 percent penetration of the sun’s rays. Beyond that, choose a style that is comfortable and flattering.
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