News tagged with lenses
Distorting the lens
(PhysOrg.com) -- One of the most bizarre predictions of Einstein's Theory of General Relativity is the existence of back holes, objects that are so dense that not even light can escape from their gravitational ...
Feb 09, 2012 |
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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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A breakthrough in superlens development: Cheap, simple lens to let us see a single virus
A superlens would let you see a virus in a drop of blood and open the door to better and cheaper electronics. It might, says Durdu Guney, make ultra-high-resolution microscopes as commonplace as cameras in ...
Jan 09, 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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Hubble directly observes the disc around a black hole
(PhysOrg.com) -- Scientists have used the NASA/ESA Hubble Space Telescope to observe a quasar accretion disc -- a glowing disc of matter that is slowly being sucked into its galaxy's central black hole. Their ...
Nov 04, 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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Mood, cognition and sleep patterns improve in Alzheimer's patients after cataract surgery
Researchers at Tenon Hospital, Paris, France, found that patients with mild Alzheimer's disease whose vision improved after cataract surgery also showed improvement in cognitive ability, mood, sleep patterns and other behaviors. ...
Oct 25, 2011 |
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Laser's precision and simplicity could revolutionize cataract surgery
Two new studies add to the growing body of evidence that a new approach to cataract surgery may be safer and more efficient than today's standard procedure. The new approach, using a special femtosecond laser, is FDA-approved, ...
Oct 23, 2011 |
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Two pairs of specs in one: Touch of finger changes prescription
If you're over 45 and wear glasses, you've probably got more than one pair. Or you're using bifocals or progressive lenses. As most people get older, their eyes have more trouble focusing on objects that are close, which ...
Technology / Hi Tech & Innovation
Oct 10, 2011 |
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Reducing stress in multilayer laue lenses
Multilayer Laue lenses (MLLs) developed at the U.S. Department of Energy Office of Science’s Advanced Photon Source (APS) focus high-energy x-rays so tightly they can detect objects as small as 16 nanometers ...
Sep 21, 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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ONR providing SEALs with new glasses that change lens color on the fly
The Office of Naval Research's (ONR) TechSolutions department is set to deliver to Navy Special Warfare Command personnel later this year new protective eyewear that will eliminate the need for warfighters to stop to change ...
Jan 28, 2011 |
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