News tagged with contact lenses
Darpa researchers design eye-enhancing virtual reality contact lenses
Currently being developed by DARPA researchers at Washington-based Innovega iOptiks are contact lenses that enhance normal vision by allowing a wearer to view virtual and augmented reality images without the ...
Technology / Hi Tech & Innovation
Feb 01, 2012 |
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Novel contact lenses provide extended pain relief to laser eye surgery patients
Scientists are reporting development of contact lenses that could provide a continuous supply of anesthetic medication to the eyes of patients who undergo laser eye surgery — an advance that could relieve ...
Jan 18, 2012 |
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Wearing contact lenses can affect glaucoma measurements
A study about how wearing contact lenses affects glaucoma measurements has been named the top presentation at Loyola University Chicago Stritch School of Medicine's annual St. Albert's Day research symposium.
Jan 13, 2012 |
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Smart contact lenses could make eye drops a thing of the past
(Medical Xpress) -- An Auburn University team of chemical and biomedical engineers led by Mark Byrne, the Daniel F. and Josephine Breeden Associate Professor in the Samuel Ginn College of Engineering, has developed a new ...
Nov 09, 2011 |
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Don't get tricked into hurting your eyes with unsafe contact lenses for Halloween
(Medical Xpress) -- Some people think it’s cool to give themselves “cat” eyes, “wolf” eyes or really bloodshot eyes for Halloween. That’s possible with decorative contact lenses, ...
Oct 25, 2011 |
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On the cutting edge of laser eye surgery
Hindsight, unlike many people's vision, is always 20/20. Laser eye surgery has become so common, it's easy to forget that just three decades ago a promising new treatment was greeted with skepticism and even fear.
Jun 01, 2011 |
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For some kids, corneal transplant improves vision and daily life
Teens, children, and even infants sometimes require corneal transplants, although most such surgeries are performed in adults. Australian researchers led by Keryn A. Williams, PhD, tracked transplant success and visual outcomes ...
Mar 01, 2011 |
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Acupuncture may help some older children with lazy eye
Acupuncture could potentially become an alternative to patching for treating amblyopia (lazy eye) in some older children, according to a report in the December issue of Archives of Ophthalmology.
Dec 13, 2010 |
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Multifocal contact lenses may reduce vision for night driving
A new study suggests that older adults who wear multifocal contact lenses to correct problems with near vision, a very common condition that increases with age, may have greater difficulty driving at night than their counterparts ...
Nov 03, 2010 |
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Improved antibiotic coatings
Bacteria have a natural ability to attach themselves to surfaces, both natural and synthetic. Once attached, they often work cooperatively to form biofilms, thin layers of bacterial colonies that can coat the surface of a ...
Oct 19, 2010 |
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Investigational eye treatment: Corneal collagen crosslinking research study
The Cornea and Laser Eye Institute, with Principal Investigator, Peter S. Hersh M.D., is conducting a research study to study the safety and effectiveness of corneal collagen crosslinking (CXL) using Riboflavin/Dextran and ...
Sep 20, 2010 |
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Medical device problems hurt 70,000+ kids annually
(AP) -- More than 70,000 children and teens go to the emergency room each year for injuries and complications from medical devices, and contact lenses are the leading culprit, the first detailed national estimate suggests.
Jul 26, 2010 |
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A safer alternative to laser eye surgery?
A new type of procedure for correcting short-sightedness could be safer than laser eye surgery, according to a new Cochrane Systematic Review. The study also shows that patients prefer the new procedure, despite there being ...
May 11, 2010 |
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Implanted lenses may not be superior to contacts for babies with cataracts
Among infants who undergo surgery to treat congenital cataract, surgical lens replacement appears to cause more complications while achieving the same treatment benefit as treatment with contact lenses, according to a report ...
May 10, 2010 |
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Beyond sunglasses and baseball caps
A new study reported in Investigative Ophthalmology & Visual Science found that UV-blocking contact lenses can reduce or eliminate the effects of the sun's harmful UV radiation.
Jan 26, 2010 |
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Contact lens
A contact lens (also known simply as a contact) is a corrective, cosmetic, or therapeutic lens usually placed on the cornea of the eye. Modern soft contact lenses were invented by the Czech chemist Otto Wichterle and his assistant Drahoslav Lím, who also invented the first gel used for their production.
Contact lens usually serve the same corrective purpose as glasses, but are lightweight and virtually invisible—many commercial lenses are tinted a faint blue to make them more visible when immersed in cleaning and storage solutions. Some cosmetic lenses are deliberately colored to alter the appearance of the eye.
It has been estimated that 125 million people use contact lenses worldwide (2%), including 28 to 38 million in the United States and 13 million in Japan. The types of lenses used and prescribed vary markedly between countries, with rigid lenses accounting for over 20% of currently-prescribed lenses in Japan, Netherlands and Germany but less than 5% in Scandinavia.
People choose to wear contact lenses for many reasons, often due to their appearance and practicality. When compared to spectacles, contact lenses are less affected by wet weather, do not steam up, and provide a wider field of vision. They are more suitable for a number of sporting activities. Additionally, ophthalmological conditions such as keratoconus and aniseikonia may not be accurately corrected with glasses.
For more information about Contact lens, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
