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 ...
Nov 17, 2011 |
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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.
May 05, 2011 |
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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
Sep 26, 2010 |
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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 ...
May 09, 2010 |
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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
Jan 10, 2010 |
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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
Jun 23, 2010 |
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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
Feb 14, 2011 |
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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
Jan 03, 2011 |
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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 ...
Nov 16, 2009 |
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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
Mar 13, 2012 |
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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
Mar 01, 2010 |
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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
Dec 03, 2009 |
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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.
Mar 20, 2009 |
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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
Mar 07, 2011 |
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Researchers create retina from human embryonic stem cells
UC Irvine scientists have created an eight-layer, early-stage retina from human embryonic stem cells, the first three-dimensional tissue structure to be made from stem cells.
Medicine & Health / Medical research
May 26, 2010 |
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