News tagged with optic nerve

Related topics: retina , visual information

Scientists solve mystery of the eye

(PhysOrg.com) -- Scientists have a good overall understanding of human vision: when light enters our eyes, it is focused by the lens and strikes the retina in the back of the eye. The light causes some of ...

Chemistry / Biochemistry

created Nov 17, 2011 | popularity 4.3 / 5 (64) | comments 14 | with audio podcast feature

Forecast calls for nanoflowers to help return eyesight

(PhysOrg.com) -- University of Oregon researcher Richard Taylor is on a quest to grow flowers that will help people who've lost their sight, such as those suffering from macular degeneration, to see again.

Physics / General Physics

created May 05, 2011 | popularity 5 / 5 (9) | comments 4 | with audio podcast

Light workout: Scientists use optogenetics to effectively stimulate muscle movement in mice

Researchers at Stanford University were able to use light to induce normal patterns of muscle contraction, in a study involving bioengineered mice whose nerve-cell surfaces are coated with special light-sensitive proteins.

Medicine & Health / Medical research

created Sep 26, 2010 | popularity 4.7 / 5 (3) | comments 3 | with audio podcast

Stem cells reverse blindness caused by burns

(AP) -- Dozens of people who were blinded or otherwise suffered severe eye damage when they were splashed with caustic chemicals had their sight restored with transplants of their own stem cells - a stunning ...

Medicine & Health / Medical research

created Jun 23, 2010 | popularity 5 / 5 (15) | comments 0

Funnel vision: New info about how cells in the eye help guide light into the retina

The eyes are marvelous instruments for converting outside reality into images lodged inside our brains. A new study of the retina, the light-sensitive region at the back of the eye, solves a mystery as to ...

Physics / General Physics

created May 09, 2010 | popularity 4.9 / 5 (11) | comments 4 | with audio podcast

Study explains why light worsens migraine headaches

Ask anyone who suffers from migraine headaches what they do when they're having an attack, and you're likely to hear "go into a dark room." And although it's long been known that light makes migraines worse, the reason why ...

Medicine & Health / Neuroscience

created Jan 10, 2010 | popularity 4.9 / 5 (11) | comments 2 | with audio podcast

Artificial retina helps some blind people

For two decades, Eric Selby had been completely blind and dependent on a guide dog to get around. But after having an artificial retina put into his right eye, he can detect ordinary things like the curb and ...

Medicine & Health / Medical research

created Feb 14, 2011 | popularity 5 / 5 (9) | comments 4

New research reveals unexpected biological pathway in glaucoma

In a study published today in the Proceedings of the National Academy of Sciences (Early Edition ahead of print), a team of researchers from the Kennedy Krieger Institute and four collaborating institutions, identified a new ...

Medicine & Health / Medical research

created Jan 03, 2011 | popularity 5 / 5 (3) | comments 2 | with audio podcast

Brain holds early signs of glaucoma

Researchers at the Vanderbilt Eye Institute are now a step closer to deciphering a leading cause of blindness in the United States - glaucoma.

Medicine & Health / Medical research

created Mar 01, 2010 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Lifelong memories linked to stable nerve connections

Our ability to learn new information and adapt to changes in our daily environment, as well as to retain lifelong memories, appears to lie in the minute junctions where nerve cells communicate, according to ...

Medicine & Health / Neuroscience

created Dec 03, 2009 | popularity 5 / 5 (1) | comments 0

Birds 'See' Earth's Magnetic Field

When birds migrate over long distances -- sometimes thousands of miles -- they usually end up in exactly the same place year after year. Such accurate feats of navigation, accomplished by millions of birds ...

Biology / Plants & Animals

created Nov 16, 2009 | popularity 4.4 / 5 (9) | comments 2

Genetic sleuth solves glaucoma mystery

Dr. Michael Walter is one good gumshoe. The University of Alberta medical geneticist has cracked the case of WDR36, a gene linked to glaucoma.

Medicine & Health / Genetics

created Mar 20, 2009 | popularity 5 / 5 (3) | comments 0

Prolonged space travel causes brain and eye abnormalities in astronauts

Magnetic resonance imaging (MRI) of the eyes and brains of 27 astronauts who have spent prolonged periods of time in space revealed optical abnormalities similar to those that can occur in intracranial hypertension of unknown ...

Space & Earth / Space Exploration

created Mar 13, 2012 | popularity 4.3 / 5 (6) | comments 4

Clustering gene expression changes reveals pathways toward glaucoma prevention

Using a method that involved the clustering of samples that showed similarity in expression profiles, Jackson Laboratory researchers were able to identify molecular signatures of early events in glaucoma progression -- events ...

Medicine & Health / Medical research

created Mar 07, 2011 | popularity not rated yet | comments 0

Link between iron overload and macular degeneration under study

The most common - and under-diagnosed - genetic disease in humans just may be a cause of the worst form of macular degeneration, Medical College of Georgia researchers report.

Medicine & Health / Medical research

created Jun 24, 2010 | popularity 5 / 5 (1) | comments 0