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Colored Contact Lenses

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Contact Lenses
Colored Contact Lenses
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Lenses For Every Eye
Contact lenses have come a long way since 1887, when German physiologist Adolf Eugen Fick fashioned two 20-millimeter thick slabs from brown glass, doused them with a sugary solution, and plopped them onto his eyes. While Fick's unwieldy lenses hurt so much he could only bear them for a few hours, t ...
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Be Kind To Contacts
I'm what Jack Schaeffer, chairman of the American Optometric Association's contact lens and cornea section, calls a "contact abuser." I didn't realize it until speaking with him for this article, but I'm putting myself at risk for all sorts of eye diseases, including many that can lead to blindness ...
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Contact Lenses To Get In Built Virtual Graphics
A contact lens fitted with an LED and the circuitry to harvest power from radio waves is the first step towards a new kind of head-up display PERSONAL electronic devices tend to get ever smaller, which is great until they become so small that their screens are impossible to read. That problem could ...
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Contact Lens
Contact lens, thin plastic lens worn between the eye and eyelid that may be used instead of eyeglasses. Actors, models, and others wear them for appearance, and athletes use them for safety and convenience. Contact lenses may also be used to correct certain abnormalities of the eye that cannot be co ...
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New articles this edition...
Field Vision
EXPERIMENT: CAN THE NEW TINTED SPORTS CONTACT LENSES FROM NIKE AND BAUSCH & LOMB REALLY MAKE YOU SEE BETTER AND PLAY BETTER? MATERIALS: One pair "amber" Maxsight soft prescription lenses. One pair clear lenses (control). One seven-a-side soccer tournament at Manhattan's Pier 40 fields, noon till th ...
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Repairing Sight by Night
CONTACT lenses worn only at night can temporarily correct long-sightedness by altering the shape of the cornea, a small pilot study suggests. The approach could be an alternative to surgery for people who do not want to wear contacts during the day. The method, called ortho-k or orthokeratology, is ...
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Eyes Down
How do bifocal contact lenses work? Specifically, how is the reading part of the lens held in the correct position? * There are at least three kinds of bifocal contact lens: "translating", concentric and aspheric. The question relates mainly to the translating type, because these are the only ones ...
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Stay Healthy With A Smart Contact Lens
THE next time you gaze deep into someone's eyes, you might be shocked at what you see: tiny circuits ringing their irises, their pupils dancing with pinpricks of light. These smart contact lenses aren't intended to improve vision. Instead, they will monitor blood sugar levels in people with diabetes ...
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Water Loving Coat Extends Lifespan Of Artificial Hips
A COATING that is normally used to keep soft contact lenses moist and lubricated could dramatically extend the life of replacement hip joints. Most artificial hip joints consist of a titanium ball and socket, with a polyethylene coating on the surfaces where the ball and socket meet. But abrasion w ...
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Novartis To Buy Out Alcon From Nestle
Novartis AG (NVS) offered to buy the rest of Alcon Inc. (ACL), the world's largest eye-care company, from Nestle SA (NSRGY) and minority shareholders for about $39.3 billion, as Chief Executive Officer Daniel Vasella expands into eye surgery. Nestle will sell a 52 percent stake to the Basel, Switze ...
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