Are You a Candidate for Contact Lenses
July 3rd, 2009
Are you tired and annoyed with wearing eyeglasses? Are you thinking about maybe switching to wearing contacts instead? Wearing contact lenses probably isn’t as difficult as you may think and there are a number of advantages as well. Find out more by taking a minute to read this short article about wearing contacts.
Contact Lens History
Early contacts amazingly date back into the 19th century. At that time, they were made of brown glass and were not easy to wear. They were, however, helpful to people that could not wear eyeglasses. Contact lens technology improved in the 1940s and 1950 when they were able to make them from plastic instead. These were made out of a plastic material called polymethyl methacrylte and worked well. The only problem was that they did not allow oxygen to easily pass through them. Since then, the plastic material has improved and is now rigid gas permeable, allowing oxygen to get to your corneas. This is necessary because your corneas get the oxygen they need from the air, not your bloodstream.
Even in the last few years there have been an increase in contact lens technology as lenses are now being made for people with astigmatism and even for people who need bifocals.
Why is it Good to Wear Contact Lenses?
Most people’s primary advantages for wearing contacts is for cosmetic purposes, but there are also other reasons:
* The lens moves with your eye and there is no distortion, unlike with eyeglasses.
* Glasses frames can annoyingly block your side vision.
* It’s annoying when glasses steam up when you come from the cold outside into a warm room.
* Some people need different types of lenses for each eye and contact lenses are sometimes the only solution for them.
* The protection of contacts can often help someone with an injured cornea.
How Do You Go About Getting Contacts?
You should go see your eye care professional and get an eye exam and consultation. You cannot order contact lenses with a prescription for eyeglasses. It’s a much different kind of prescription that you need. You’ll go through some simple vision tests which only take about 10-15 minutes usually. You should also get tested for Glaucoma, if possible - that’s the test that Rachel on Friends didn’t like because it shoots a tiny puff of air into your eye. It’s really not that bad and its an important test to get.
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