Ultra violet rays, more commonly known as UV, are rays from
light which humans cannot see and feel. UV rays have been proven to be
extremely harmful to the human and also environment. There are many bad
consequences could happen due to the UV rays. Excessive exposure to UV rays
have been linked to premature skin ageing, cataracts, cancer, crow’s feet,
macular degeneration and pinguecula.
Most people are aware that the sun is the main source of UV
rays. What we do not realize is that many others mediums around us also produce
UV rays, such as computer screens, television, light bulbs, even your mobile
phone. UV rays are still at work even on cloudy days or when sitting under the
fluorescent light. In facts, today’s modern world where we are surrounded by
technology expose us to UV rays 365 days a year!
In order to protect our skin, many people practice the habit
of applying sunscreen or long-sleeved tops and long pants when heading outdoors
or in the office all day long. However, how many would have thought of
protecting the eyes from harmful UV rays? Do not take for guaranteed about the
UV rays because it can become extremely dangerous especially when you got too
much exposure from it.
Therefore, all of you are recommended to buy sunglasses
because a pair of good sunglasses can shield your eyes from harmful UV rays.
When indoors, glasses that are coated with UV protection is recommended especially
for those who are in front of the computer all day long. Even though it looks
funny to wear sunglasses when you are doing your job in front of the computer,
but it really helps you to protect your eyes, thus your eyes health will be
guaranteed. After all, your eyes are the windows to your soul!
The United States Food and Drug Administration also
recommends purchasing light bulbs with a double coat to cut the intensity of UV
rays indoors. Left unprotected, UV rays can cause eye diseases such as:
PTERYGIUM – UVB is related to the formation of pterygia, a
raised, wedge-shaped growth of the conjunctiva that can grow over the cornea
and affect vision.
CATARACTS – UV accelerates the appearance of cataract, which
causes a partial or complete loss of transparency of the crystalline lens.
PREMATURE AGEING – UV damages skin and causes up to 90% of
visible premature ageing. About 5-10% of skin cancers occur on the eyelid.
PINGUECULITIS – UV causes a benign, yellowish growth on the
conjunctiva that may cause irritation and dryness called a pinguecula.
Pingueculitis develops when the pinguecula becomes acutely inflamed.
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