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News tagged with corneas

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

created Jul 27, 2010 | popularity 4.6 / 5 (8) | comments 0 | with audio podcast

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 ...

Technology / Engineering

created Mar 08, 2011 | popularity not rated yet | comments 0 | with audio podcast

Implanted tooth helps blind US woman recover sight

A 60-year-old US grandmother, blind for nearly a decade, has recovered her sight after surgeons implanted a tooth in her eye as a base to hold a tiny plastic lens, her doctors said Wednesday.

Medicine & Health / Other

created Sep 16, 2009 | popularity 4.4 / 5 (12) | comments 0

Stem cell therapy makes cloudy corneas clear

Stem cells collected from human corneas restore transparency and don't trigger a rejection response when injected into eyes that are scarred and hazy, according to experiments conducted in mice by researchers at the University ...

Medicine & Health / Medical research

created Apr 09, 2009 | popularity 4.5 / 5 (2) | comments 0

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.

Chemistry / Biochemistry

created Sep 21, 2010 | popularity not rated yet | comments 0

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 ...

Medicine & Health / Other

created Mar 01, 2010 | popularity 5 / 5 (1) | comments 0

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

created May 10, 2010 | popularity not rated yet | comments 0

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

created Jan 13, 2010 | popularity not rated yet | comments 0

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.

Medicine & Health / Health

created Feb 08, 2010 | popularity not rated yet | comments 0

Side effects of 'gene-silencing' treatment more wide-ranging than previously thought

The side effects of an experimental "gene-silencing" treatment that is currently being investigated for a variety of diseases are even more wide-ranging than previously discovered, according to a study by a University of ...

Medicine & Health / Medical research

created Apr 06, 2009 | popularity 4 / 5 (1) | comments 0

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. ...

Medicine & Health / Other

created Feb 01, 2011 | popularity not rated yet | comments 0

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 ...

Medicine & Health / Health

created Mar 01, 2011 | popularity not rated yet | comments 0

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 ...

Medicine & Health / Other

created May 11, 2010 | popularity not rated yet | comments 0

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

created May 20, 2010 | popularity 5 / 5 (1) | comments 0

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

created Sep 20, 2010 | popularity not rated yet | comments 0