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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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Different types of prescription eyeglasses
Author:
Timothy Gorman
Prescription eyeglasses are glasses that have been prescribed by an optometrist to be worn by someone who has been diagnosed with a certain eye condition. Depending on the condition, a different lens will be prescribed.
Prescription eyeglasses are broken down into four different categories.
The Single Vision Lens has the same focal power from the top of the lens to the bottom of the lens. People who have been diagnosed as farsighted, nearsighted or with having astigmatism can wear single vision lenses to correct these types of eye disorders. Astigmatism is a condition that doesn't allow light to reflect on the retina, thus causing distorted images.
A Bifocal Lens is used to correct a condition call Presbyopia. This disorder usually occurs in people in their late 40's. If a person has been diagnosed with Presbyopia, they can't focus in on close objects. That is where the Bifocal Lens is helpful. The top of the lens is used for distant vision and the bottom of the lens is helpful with close vision. People with Presbyopia need both types of Focal View on their prescription eyeglasses.
The Trifocal Lens-meaning they have three focal views-is designed similar to the bifocal lens with the exception to the center focal point on the lens is for intermediate vision.
The fourth type of lens is the Multi Focal lens. It has more than one focal view; therefore a Bifocal and a Trifocal are types of multi focal lenses.
Other types of lenses that are specially designed for other purposes include the Computer Lens. They are designed so that when sitting at a computer, a person can view the monitor and papers nest to the monitor at the same time. And then there are Double Bifocals, which are rarely prescribed, but when they are it is usually for pilots, electricians or other professions that need to have close vision overhead.
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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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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