News tagged with corneas
Moth eyes inspire antireflective surfaces for military applications
(PhysOrg.com) -- If you look closely at the surface of a moth's cornea, you see that it is comprised of tiny protruding bumps. These bumps exist to keep moths safe from predators by preventing light from reflecting ...
Mar 08, 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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1 donor cornea, 2 patients helped
German researcher Claus Cursiefen, MD, also affiliated with Harvard School of Medicine, reports good results with a new surgical strategy that uses a single donor cornea to help two patients with differing corneal diseases. ...
Feb 01, 2011 |
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Common corneal condition associated with increased eye pressure
Corneal arcus, a condition in which a ring of lipids builds up around the cornea, appears common among middle-age and older adults and may be associated with elevated eye pressure, according to a report in the November issue ...
Medicine & Health / Diseases, Conditions, Syndromes
Nov 08, 2010 |
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New cause of blindness discovered by scientists
University of Manchester scientists have discovered a new cause of age-related macular degeneration (AMD), a condition that affects more than 50 million people worldwide and results in blindness.
Sep 21, 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 ...
Medicine & Health / Medical research
Sep 20, 2010 |
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Fly Eye Paves the Way for Manufacturing Biomimetic Surfaces
(PhysOrg.com) -- Rows of tiny raised blowfly corneas may be the key to easy manufacturing of biomimetic surfaces, surfaces that mimic the properties of biological tissues, according to a team of Penn State ...
Nanotechnology / Nanomaterials
Jul 27, 2010 |
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Study finds new key to corneal transplant success
Although it is already one of medicine's most successful transplant procedures, doctors continue to seek ways to improve corneal transplants. Now, for the first time, a team of German and British researchers have confirmed ...
Jul 01, 2010 |
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Synthetic eye prosthesis
(PhysOrg.com) -- Donor corneas are a rarity: In Germany alone, each year roughly 7,000 patients wait for that miniscule piece of tissue. An implant made of plastic may soon offer patients -- especially those ...
Medicine & Health / Medical research
May 20, 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 ...
Medicine & Health / Diseases, Conditions, Syndromes
May 10, 2010 |
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Donor age, tissue preservation techniques not associated with corneal transplant failure
Neither the age of the donor nor the length of time or method by which a transplanted cornea is preserved appear to be associated with graft failure 20 years after corneal transplant, according to a report in the April issue ...
Medicine & Health / Medical research
Apr 12, 2010 |
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Newer cornea transplant surgery shows short- and long-term promise
One year post-surgery, patients who underwent Descemet's stripping automated endothelial keratoplasty (DSAEK) experienced greater cell loss overall compared to those who underwent penetrating keratoplasty (PKP), according ...
Mar 01, 2010 |
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High-altitude climbs may cause corneal swelling, but do not appear to affect vision
Swelling commonly occurs in the corneas of mountain climbers, but does not appear to affect vision at altitudes of up to 6,300 meters (about 20,670 feet), according to a report in the February issue of Archives of Ophthalmology.
Feb 08, 2010 |
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Scientists link brain development to chances of recovering vision after blindness
(PhysOrg.com) -- The findings bolster the claims by some scientists, like Stanford's Brian Wandell, who say certain visual abilities must develop properly in childhood and cannot be learned as an adult.
Medicine & Health / Neuroscience
Jan 13, 2010 |
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