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Tag: "vision" at biology news

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

... have retinitis pigmentosa with moderate-to-severe vision loss. Three centers in the United States have been...isual field, progressing over many years to tunnel vision and finally blindness. At Emory Eye Center retina specialists Thomas M. Aaberg, Sr. and Jiong Yan p...

Ophthalmologists Use Artificial Silicon Retina Microchip To Treat Vision Loss

...) microchips in the eyes of five patients to treat vision loss caused by retinitis pigmentosa (RP). The impl...nd retinitis pigmentosa, which cause blindness and vision impairment in about 10 million Americans. More than one million of these people are legally blind. ...

Ophthalmologists implant five patients with artificial silicon retina microchip

...) microchips in the eyes of five patients to treat vision loss caused by retinitis pigmentosa (RP). The impl...nd retinitis pigmentosa, which cause blindness and vision impairment in about 10 million Americans. More than one million of these people are legally blind. ...

Mayo Clinic Researchers Create 'Obedient Virus'; First Step To Use Measles Virus Against Cancer

...cells. The measles virus became the focus of this vision several years ago when the surprising finding was made that the measles strain used internationally for vaccinations has natural anticancer activity. "But we had a concern that the measles virus may be a little too promiscuous in its ability to infe...

Artifical cornea lets woman blind 20 years see

...reaction to a medication robbed Elma Phifer of her vision two decades ago when she was 39. The reaction scar...p her do many of the activities people with normal vision sometimes take for granted. Now, twenty years and several life milestones later, Elma is able to see...

Researchers discover molecular mechanism that desensitizes us to cold

...other receptors, including ones involved in taste, vision and fertilization. Therefore, the findings may have important implications across a wide range of areas. Diomedes Logothetis, PhD, Dean of the Mount Sinai Graduate School of Biological Sciences, post-doctoral fellow Tibor Rohacs and colleagues studi...

Migratory songbirds have a specialized night-vision brain area

...ed. The researchers found that blocking night-time vision dramatically reduced gene activity in cluster N. "This result confirmed that night-migratory birds seem to have a brain area specifically adapted for seeing during their night-time flight," Jarvis said. The researchers suspect that the newly discove...

Brain May Be Less Plastic Than Hoped

...n the fovea—a small depression in the retina where vision is most acute—and covering the blind spot. They made baseline measurements of the cortical quiet zone two to three hours after the laser surgery and compared them to new readings taken every few weeks for up to seven and a half months. “If the visua...

Bobbing birds do it for a reason

...iding "motion blur" was essential for high-quality vision in birds; many animals, including humans, stabilize visual fields only transiently, through the use of eye movements alone, and accept quite a lot of so-called "visual flow" when in motion. In new work addressing this question, Thomas Cronin and Mat...

Penn Researchers Use Robotic Surgery

...s to see the surgical site more closely than human vision allows, and to work at a smaller scale of detail than conventional surgery permits. Unlike other endoscopic systems now in use, which afford reverse-image views that require counter-intuitive movements by surgeons (whereby the surgeon must move his h...

Two new retroviruses—transmitted from animals—identified

...s to see the surgical site more closely than human vision allows, and to work at a smaller scale of detail than conventional surgery permits. Unlike other endoscopic systems now in use, which afford reverse-image views that require counter-intuitive movements by surgeons (whereby the surgeon must move his h...

Novel live reporting system to track cells

...y modified cells. This method grew out of a joint vision that originated 10 years ago in collaboration with the late Dr. Yoav Citri. Ferritin's advantage is that it is visible in MRI without the need for an additional contrast material. This technique has far-reaching implications for monitoring the progre...

Genetic links could unlock clues to leading cause of blindness

...ut the earliest stages of the disease, when severe vision loss could still be stopped. The researchers pinp...ecks to build up in the eye, chipping away central vision over time. But Dawson said most people don't even realize something is wrong until they detect chang...

Six previously blind patients detect light, motion, identify objects with retinal prostheses

...ual vision-loss epidemic. Both AMD and RP destroy vision by annihilating the retinal cells that allow light to be translated into recognizable images. Second Sight's intraocular retinal prosthesis is taking the first step to replacing those cells with its device, a 4-by-4 grid of platinum electrodes embed...

Drawing with DNA: 'Bioart' illuminates genomics

...ogy" uses a combination of dynamic media, computer vision and computer graphics to visualize genomic data. ...he rice along a horizontal. A whole-body computer vision interface tracks the movements of visitors and allows them to interact with the installation. By mov...

Public collections of DNA and RNA sequence reach 100 gigabases

...ssociated with patents. The INSDC has realized the vision of the researchers who initiated the sequence database projects, by making the global sharing of nucleotide sequence information possible." Takashi Gojobori, Director of the Center for Information Biology and DNA Data Bank of Japan, says: "The INSD...

Elderly mice yield clues to the process of growing old

...o such things as hair and weight loss, hearing and vision impairment, loss of muscle mass, weakened bones and fewer circulating red blood cells. Mitochondria are structures within cells that provide energy for cells to move, divide, contract and secrete products vital for the health of organisms. "We think...

Carnegie Mellon cyLab researchers work to develop new red tide monitoring

...tware is designed to incorporate multiple computer vision algorithms and the domain knowledge from NOAA scientists. "Spatiotemporal data mining extracts changing spatial patterns from continuous data flow. It is a rapidly growing field, which includes inverse physics, machine learning and human-computer in...

New study shows SARS can infect brain tissue

...scle pain--but after hospitalization, he developed vision problems, then progressively worse central nervous system symptoms, like restlessness and delirium. A computed tomography scan indicated brain damage. He died about a month after being hospitalized, and his brain tissue was examined and found to cont...

Locusts' built-in 'surface analysis' ability directs them to fly overland

...t of these grasshoppers ?namely their polarization vision -- provides them with a built-in source of "surface analysis" ?a discovery that could pave the way for efforts to effectively combat this periodic scourge by controlling their natural inclination to fly over land rather than water. The desert locust...

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