News tagged with photoreceptor cells
An 'eye catching' vision discovery
Medicine & Health / Neuroscience
Jul 26, 2009 |
4.4 / 5 (11) |
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Nearly all species have some ability to detect light. At least three types of cells in the retina allow us to see images or distinguish between night and day. Now, researchers at the Johns Hopkins School of ...
Social scientist creates computer model to determine human perception of hues
Other Sciences / Social Sciences
Jun 29, 2009 |
5 / 5 (2) |
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Variations in how people perceive colors and how those same colors appear on TV, computers and other media have confounded broadcasters, Web designers and printers trying to reproduce lifelike hues.
Researchers identify enzyme that makes survival molecule for key vision cells
Jun 26, 2009 |
4.3 / 5 (3) |
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Research lead by Dr. Nicolas Bazan, Boyd Professor and Director of the Neuroscience Center of Excellence at LSU Health Sciences Center New Orleans, identifying an enzyme that makes neuroprotectin D1 which specifically and ...
Retina transplants show promise in patients with retinal degeneration
Jul 10, 2008 |
4.4 / 5 (5) |
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Preliminary research shows encouraging results with transplantation of retinal cells in patients with blindness caused by retinitis pigmentosa (RP) and age-related macular degeneration (AMD), according to a report in the ...
Search results for photoreceptor cells
Uncovering secrets of life in the ocean: Scientists study how Earth's simplest eyes work
Biology /
Nov 19, 2008 |
4.2 / 5 (13) |
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Larvae of marine invertebrates – worms, sponges, jellyfish - have the simplest eyes that exist. They consist of no more than two cells: a photoreceptor cell and a pigment cell. These minimal eyes, called eyespots, ...
Color is in the eye of the beholder
Jul 03, 2007 |
3.2 / 5 (5) |
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In some regions of Central Europe, salad dressing is made preferably with pumpkin seed oil, which has a strong characteristic nutty flavor and striking color properties. Indeed, in a bottle it appears red, but it looks green ...
Eye cells believed to be retinal stem cells are misidentified
Mar 30, 2009 |
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Cells isolated from the eye that many scientists believed were retinal stem cells are, in fact, normal adult cells, investigators at St. Jude Children's Research Hospital have found. If retinal stem cells could be obtained, ...
Finding a protective mechanism for retinal cells could save sight
Nov 16, 2009 |
5 / 5 (2) |
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Determining what triggers the death of retinal cells, called photoreceptors, could hold the key to stopping blinding disorders caused by a wide range of eye diseases, Yale School of Medicine researchers report in the November ...
Scientists rescue visual function in rats using induced pluripotent stem cells
Dec 03, 2009 |
5 / 5 (2) |
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An international team of scientists has rescued visual function in laboratory rats with eye disease by using cells similar to stem cells. The research shows the potential for stem cell-based therapies to treat ...
'Dark cells' of living retina imaged for the first time
Feb 26, 2009 |
4 / 5 (1) |
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A layer of "dark cells" in the retina that is responsible for maintaining the health of the light-sensing cells in our eyes has been imaged in a living retina for the first time.
Mutated gene in zebrafish sheds light on blindness in humans
Mar 24, 2009 |
5 / 5 (1) |
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Among zebrafish, the eyes have it. Inside them is a mosaic of light-sensitive cells whose structure and functions are nearly identical to those of humans. There, biologists at The Florida State University ...
Anti-HIV drugs reduce the cause of some forms of vision loss
Medicine & Health / HIV & AIDS
May 23, 2008 |
3.7 / 5 (3) |
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A potential new therapeutic use for anti-HIV drugs known as protease inhibitors has been suggested by a team of researchers from Harvard Medical School, Boston, and Inserm U848, France, as a result of their work in a mouse ...
Study identifies new gene therapy tools for inherited blindness
Jul 26, 2007 |
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An improved approach to gene therapy may one day treat some of the nearly 200 inherited forms of blindness, scientists at Washington University School of Medicine in St. Louis suggest this week.
Lizard’s ‘third eye’ sheds light on how vision evolved
Mar 30, 2006 |
4.7 / 5 (14) |
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A primitive third eye found in many types of lizards, used to detect changes in light and dark and to regulate the production of certain hormones, may help explain how vision evolved and how signals are transmitted from the ...
List of search results for photoreceptor cells
