News tagged with lenses
New interferometer could simplify materials research
Aug 13, 2009 |
5 / 5 (13) |
1
(PhysOrg.com) -- “Most current hard x-ray interferometers are based on crystals, which require their high quality and high mechanical stability,” Anatoly Snigirev tells PhysOrg.com. “This can make x-ray interferometry quite ...
'Contact lenses' for animals
Jul 16, 2009 |
not rated yet |
0
Lions, giraffes, tigers, rabbits, bears, rhinos and even owls can go blind from cataracts, but an east German firm has an answer: custom-made "contact lenses".
Optometrists make custom contact lenses for long-underserved patients
May 13, 2009 |
not rated yet |
0
While the majority of patients with common vision problems can find glasses or contact lenses fairly easily, others who suffer from diseases of the eye that affect the focus of light have more limited options ...
Liquid lens creates tiny flexible laser on a chip
May 11, 2009 |
2.3 / 5 (3) |
1
(PhysOrg.com) -- Like tiny Jedi knights, tunable fluidic micro lenses can focus and direct light at will to count cells, evaluate molecules or create on-chip optical tweezers, according to a team of Penn State engineers. ...
'Gecko vision': Key to the multifocal contact lens of the future?
May 07, 2009 |
4.4 / 5 (5) |
0
Nocturnal geckos are among the very few living creatures able to see colors at night, and scientists' discovery of series of distinct concentric zones may lead to insight into better cameras and contact lenses.
Tear research focused on contact lens risks, benefit
May 06, 2009 |
not rated yet |
0
Contact lenses are great for sight, but do they have an impact on general eye health? Researchers at the University of Alabama at Birmingham (UAB) School of Optometry are working to answer that question by analyzing tears.
Eye exercises help patients work out vision problems
Mar 31, 2009 |
3.4 / 5 (5) |
2
You've probably been there. In a doctor's office, being advised to do what you dread - exercise. You get that feeling in your gut, acknowledging that, indeed, you should exercise but probably won't. Now imagine ...
Biofilms: Even stickier than suspected
Mar 12, 2009 |
not rated yet |
0
(PhysOrg.com) -- Biofilms are everywhere - in dental plaque and ear canals, on contact lenses and in water pipelines - and the bacteria that make them get more resilient with age, finds a new study in FEMS Mi ...
Kids with contact lenses like their looks better than kids with glasses
Medicine & Health / Psychology & Psychiatry
Mar 02, 2009 |
not rated yet |
0
Children wearing contact lenses felt better about how they look, their athletic abilities and acceptance by their friends than did children wearing eyeglasses in a recent study.
Adjustable Fluidic Lenses for Eyesight Correction Applications
Feb 24, 2009 |
4.9 / 5 (7) |
3
(PhysOrg.com) -- Researchers from the University of Arizona have created a fluid-based opthalmic lens in which the amount of fluid can be constantly adjusted to provide customized eye correction. The lens may one day be incorporated ...
Contact lenses are home to pathogenic amoebae
Biology /
Oct 20, 2008 |
4.6 / 5 (5) |
2
Contact lenses increase the risk of infection with pathogenic protozoa that can cause blindness. New research, published in the November issue of the Journal of Medical Microbiology, shows that a high percentage of contac ...
Tunable microlenses shine light on medical imaging
Oct 13, 2008 |
4.7 / 5 (9) |
0
(PhysOrg.com) -- University of Wisconsin-Madison engineers have developed tunable liquid microlenses that can quickly scan images and record video. Integrated onto fiber-optic probes, the lenses further could reduce the invasiveness ...
Smart Contact Lenses
Biology /
Jul 30, 2008 |
5 / 5 (1) |
0
"Smart" contact lenses that measure pressure within the eye and dispense medication accordingly could be made possible using a new material developed by biomedical engineers at UC Davis.
Self-moisturizing contact lenses, naturally
Jul 08, 2008 |
4.5 / 5 (6) |
0
Even contact lenses are joining the trend to go green. Chemical engineering researchers at McMaster University have shown that a common fluid found in our bodies can be used as a natural moisturizing agent in contact lenses.
