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Eye Health and Sunglasses

　

It is extremely important to protect your eyes against the
harmful UV rays of the sun. For most people an inexpensive
pair of sunglasses will do the job.

The sun produces different types of light. The most harmful

to your eyes are ultraviolet, or UV rays, bright or intense
light and blue light.

UV rays carry more energy than visible light rays. The eye
is at a greater risk from absorbing UV radiation than from
any other type. UVA and UVB are the types of UV lights that
reach the earth from the sun.

Blue light is visible light. Typically blue light is found
in reflections off of snow and water. Blue light prevents
the eyes from focusing properly and routine exposure to
blue light over many years may age the eyes and increase
the risks of blindness.

When your eyes absorb light, the eye tissue is affected by
heat and chemical reactions. These reactions can cause
permanent damage if they eye becomes overwhelmed and the
natural ability to heal itself is compromised.

Eyes that are overexposed to UV radiation can suffer damage
to the front portion. The retina can be damaged if you
stare directly into the sun, even briefly, and can cause
permanent loss of vision.

UV radiation, wind, and dry eyes can cause a temporary, but
uncomfortable condition called snow blindness. All of these
reasons are why it is so important to wear sunglasses
whenever you are exposed to the suns rays. You want the
highest amount of UV protection you can get.