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Tag: "blindness" at biology news

Researchers discover way to make cells in the eye sensitive to light

...ntosa. Retinitis pigmentosa is a form ofhereditary blindness where the rods and cones are destroyed, but therest of the eye and retina remains intact. By switching on themelanopsin it could be possible to restore the eyes ability to respondto light.Although making cells in the eye responsive to light is not a ...

Emory Eye Center Implants Its First Retinal Chips In Patients With Retinitis Pigmentosa

...ayer or "light sensing" cells of the retina. Night blindness develops, usually in childhood, followed by loss of peripheral visual field, progressing over many years to tunnel vision and finally blindness. At Emory Eye Center retina specialists Thomas M. Aaberg, Sr. and Jiong Yan performed the surgery recentl...

Ophthalmologists Use Artificial Silicon Retina Microchip To Treat Vision Loss

...degeneration and retinitis pigmentosa, which cause blindness and vision impairment in about 10 million Americans. More than one million of these people are legally blind. "As is commonly seen in with retinitis pigmentosa, these patients all have severe narrowing of their visual fields down to a very small cen...

Ophthalmologists implant five patients with artificial silicon retina microchip

...degeneration and retinitis pigmentosa, which cause blindness and vision impairment in about 10 million Americans. More than one million of these people are legally blind. "As is commonly seen in with retinitis pigmentosa, these patients all have severe narrowing of their visual fields down to a very small cen...

Artifical cornea lets woman blind 20 years see

...rosthesis in the third world. "Worldwide, corneal blindness is a major problem due to infections, fewer physicians and problems with hygiene," says Afshari. The major hurdle right now, according to Dohlman, is the cost of the procedure. "The healthcare system in poor countries cannot afford such devices righ...

Measles Deaths Worldwide Drop By Nearly 40% Over Five Years

...ore, leaving many with life-long disabilities like blindness and brain damage. "In many places where families once lived in fear of losing their children to measles, they're now protected by an effective and inexpensive vaccine," said Carol Bellamy, Executive Director of UNICEF. "What clearer proof could ther...

Genetic links could unlock clues to leading cause of blindness

...lated macular degeneration is the leading cause of blindness in older adults, yet researchers are still in the dark about many of the factors that cause this incurable disease. But new insight from University of Florida and German researchers bout a genetic link between rhesus monkeys with macular degeneratio...

Researchers track down cause of a disfiguring bone disorder

...reditary, disfiguring bone disorder that can cause blindness and deafness. The findings provide insight into long-range gene regulation and could lead to new treatments for osteoporosis and other crippling bone disorders. A research team from Lawrence Livermore and Lawrence Berkeley national laboratories, the...

UCLA researchers identify key enzyme linked to childhood blindness

...that could lead to curing some forms of congenital blindness through gene therapy, researchers at UCLA have dis...cement of RPE65 by gene therapy should correct the blindness in these children, as was observed in mice and dogs with RPE65 mutations," Travis said. "This is a m...

Out of sight, out of mind? Not necessarily

...udy, the researchers induced temporary, reversible blindness lasting only a fraction of a second in nine volunteers with normal vision. Transcranial magnetic stimulation (TMS), a harmless noninvasive technique using brief magnetic pulses, was applied to the volunteers' visual cortex -- the area at the back of ...

Gene therapy works in mice to prevent blindness that strikes boys

...da scientists used a healthy human gene to prevent blindness in mice with a form of an incurable eye disease th... form, devastating the vision and often leading to blindness in about 1 of every 5,000 boys. UF researchers injected a healthy version of the human RS1 gene to ...

Scientists characterize proteome of human cornea

...second to cataracts as the most important cause of blindness in the world," explains study author Dr. Jan J. Enghild of the University of Aarhus in Denmark. "Corneal infections by bacteria, fungi, or viruses are common disorders that can lead to corneal opacification. A group of inherited corneal disorders inc...

Cornell finds natural selection in humans

...sher syndrome, the most common cause of congenital blindness and deafness in developed countries. "We have a long way to go before we can predict from looking at sequences, which mutations in which genes and under which environmental conditions can ultimately lead to disease. This is a first step in identifyi...

A new way of looking at molecular motors

...ments for conditions ranging from certain kinds of blindness and kidney disease to neurodegenerative disorders and parasitic diseases such as malaria. All complex organisms use myosin and its relatives, kinesin and dynein, to move substances around inside cells and to help cells move from one place to the ot...

A case of mistaken molecular identity

...esearchers in Argentina have determined that night blindness is a new clinical symptom of Chagas disease. A team led by Howard Hughes Medical Institute (HHMI) international research scholar Mariano Jorge Levin and Cristina Paveto of the Institute for Genetic Engineering and Molecular Biology (INGEBI), National...

'Prosthetic' retinal cells let blind mice see light

...r potential strategy for the treatment of complete blindness caused by rod and cone degeneration," they wrote. ...

UF scientists restore sight to chickens with blinding disease

...that is one of the more common causes of inherited blindness in human infants," said Sue Semple-Rowland, Ph.D., an associate professor of neuroscience with UF's Evelyn F. and William L. McKnight Brain Institute. "The vision capabilities of the treated animals far exceeded our expectations." The bird -- a type...

Viral hitchhiker inhibits Wolbachia bacteria's ability to proliferate

...therapies for debilitating illnesses such as river blindness and elephantiasis, whose pathologies are caused by Wolbachia bacteria living in the parasitic worms associated with these diseases. The new research, led by Seth Bordenstein, an Assistant Scientist in the MBL's Program in Global Infectious Dise...

'Molecular assassin' targets disease gene

...iotechnology. Certain types of skin cancers and blindness due to age-related macular degeneration (AMD) and ...uses for the drug. AMD is the most common cause of blindness in Australia (Macular Degeneration Foundation). The experimental drug has already been shown to be ...

Light-sensitive photoswitches could restore sight to those with macular degeneration

...ring light sensitivity in people with degenerative blindness such as macular degeneration. "We're asking the ...ht detectors in the retina - is the major cause of blindness in the United States. One in four people over age 65 suffers vision loss as a result of this conditi...

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