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Thanks To Great Medical Improvements, And Fewer Complications, Lasik Eye Surgery Is Very Popular. And, It's A Relatively Painless Technique. Welcome To Lasik.ValueArticles.com. This Free Information Resource Guide Will Tell You Everything You Need To Know About Lasik Eye Surgery. As
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Beware: 5 Lasik Surgery Complications
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How To Avoid Lasik Complications
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How long have prescription eyeglasses been around?
Author:
Timothy Gorman
From documents that were retrieved in Rome in the 13th Century, we know that prescription eyeglasses were available at that time. They were referred to as "spectacles" rather than glasses. Although we do not know for certain when prescription eyeglasses were invented, we do have proof that they did exist during this time period. A portrait done by an artist named Tomas da Modeno portrays a gentleman wearing eyeglasses. Obviously what we do not know is if they are prescription eyeglasses. There are, however, other documents such as a manuscript written by a man that implies that if the he wasn't wearing spectacles, he would not be able to read or write.
In the 15th century the printing press was invented which meant more reading material was readily available. Thus, the need for prescription glasses increased. The first reading glasses were held by one hand only during the times that they were needed for reading. It was later in the 17th century when people actually wore the glasses regularly, after an optometrist created them with both earpieces. In those times, a person who was having difficulty with their eyesight would just go in and try on several pairs of prescription eyeglasses until they found a fit for their needs. That changed when Dr. FC Donders wrote the first book on examining the eyes to get prescription eyeglasses.
Benjamin Franklin is credited for the invention of the bifocal lens. With a bifocal lens the bottom half is used for reading and the top half is for seeing objects that re further in the distance.
The first lenses in the prescription eyeglasses were made from quartz crystal and very low in quality and durability. Then in the early 1900's, Bausch and Lomb created the glass lens. Today most prescription eyeglasses are made from a plastic material that can be polished and tinted like glass lenses. The advantage to the plastic lens is the lighter weight of the prescription eyeglasses as well as the durability is greatly increased.
About the Author
Timothy Gorman is a successful Webmaster and publisher of Vision-Doctor.com. He provides more discount sunglasses, contact lenses, LASIK information and http://www.vision-doctor.com>discount prescription eyeglasses information that you can research in your pajamas in your home.
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A Quick Note
From The Publisher...
If you like the article above, you may be
interested in the following article which is also related to Lasik...
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About Lasik Complications |
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Some people who undergo LASIK surgery have experienced some kind of complication . However, if you have an experienced surgeon by your side, the rate of surgical complications is far reduced. Common sense aside, one should base their decisions on the actual facts reported by their treatment provider. Overall, the number of complications are generally reported to be less than 1%. Most of the reported problems are handled through laser re-treatments or enhancements. In order to understand the kind of complications people have your should understand what a LASIK treatment is all about. During LASIK surgery a laser beam is used to cut a very thin, hinged flap into the front of the eye. The flap is then lifted and the laser is applied to re-shape the eye, and then the flap is replaced to heal. Some of the more common types of LASIK complications are improperly formed LASIK flaps: Sometimes after the first surgery a patient might experience an improperly formed flap. This might create an... |
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Lasik, Lasik Eye Surgery News |
Icon LASIK Announces Sunglass Trunk Shows at Its Cherry Creek Eye Care Center DENVER, CO-- - ICON LASIK announces several eye wear and sunglasses Trunk Shows in Denver during early 2012. The Trunk Shows feature major sunglass designers including Fendi sunglasses, Roberto Cavalli ... Free LASIK for Your Valentine, a Gift from Khanna Vision Institute If one does LASIK eye procedure with Dr. Khanna either in Beverly Hills or Westlake Village, their valentine will get a gift card for free LASIK of equal value, which can be used anytime, or can be donated to charity.Beverly Hills, California (PRWEB) February 08, 2012 Valentine's Day is a very important day to express love and appreciation for one’s beloved. Vision is equally important. ... Avedro Announces Canadian Approval for Lasik Xtra™ Avedro, Inc. announced today that the Company’s proprietary Lasik Xtra procedure has received Canadian Approval. Lasik Xtra is a two minute procedure used in conjunction with standard Lasik to restore biomechanical integrity and strength to the cornea after a standard Lasik procedure. Lasik surgery improves vision for almost everyone DEAR DOCTOR K: I’ve worn glasses and contact lenses for years. I just scheduled LASIK surgery. What will happen during this procedure? |
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