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Are contact lenses better than eyeglasses? |
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Contact lenses float on the surface of eye. There are two types
of contact lenses. Soft lenses are made of very soft water
soluble materials, which take the shape of the eye when worn. We
can change these disposable lenses daily, after two weeks or
once in a month depending on the brand and material.
Hard lenses are produced from hard gas-permeable plastic and it
covers only part of the cornea. Today colored lenses are also
available.
Contact lenses are better than eyeglasses for certain vision
disorders like shortsightedness, |
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long-sightedness, astigmatism
and presbyopia. In the field of sports people prefer it because
eyeglasses are hard to handle. Some prefer it for its wider
view. Eyeglasses don't cover the sides. Temperature, rain or
perspiration does not affect contact lenses. And lastly people
for the look factor buy contact lenses. It is a fact that
eyeglasses do not look good on many faces.
But contact lenses also have disadvantages such as:
1. The eye becomes drier than normal
2. Risks of eye allergy increase if the contact lenses are |
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