Contact lenses give the wearer a much greater area of peripheral vision when compared to normal glasses since the contact lenses move along with the eye while the glasses stay in a fixed position on the face. The wearer of contact lenses always view the world through the optic zone (which is the clearest part of the lens) wile those with glasses can only access the optic zone by looking straight down the centre of the lenses and can cause blurred vision. The vision is much more natural when contact lenses are worn and there are no frames visible in the field of view unlike glasses which have a visible frame and area of clear vision surrounded by areas where the picture is blurry or less clear.
A major disadvantage of wearing glasses is seen during sporting activities where the glasses move with the body of the wearer and can be easily knocked off or broken and damaged, especially during contact sports. Contact lenses on the other hand remain stable through all sporting activities and are much less likely to become damaged during 'roughhousing' and is inherently a lot safer than glasses.
Youngsters, especially teenagers are especially conscious about their self image and contact lenses do not alter the facial features of the wearer i.e. they are not noticeable whereas glass are immediately noticeable to everyone including the wearer. The contact lenses can also allow the user to have different eye colours (coloured contacts) which allow the user to easily customize their look which is impossible with traditional spectacles.
A very important feature of glasses is the fact that they distort all images seen by the wearer due to the distance between the glasses and the eye, this results in object looking smaller than they may actually be. Contact lenses provide the exact image that would be observed if the wearer was not wearing vision correction apparatus.
Any one who wears glasses is used to the condensation from body heat and perspiration or the fog when you leaved an air conditioned area and enter a non air conditioned one (leaving a car for instance) and can lead to inconvenience and embarrassment. The contact lenses provide none of these inconveniences to the user and as such are a much better option for vision correction.
These advantages show that contact lenses are a much better option for vision correction than traditional glasses and may soon replace them entirely.
References
1. Contact lenses vs glasses. http://www.contactlenses.org/clsglasses.htm
2. The Big Book of Health Tips. The editors of FC&A Publishing .FC&A Publishing
3. Before You Call The Doctor. Ballentine Books. New York 1992
Published by Ann Grant
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