eye in Biological News

Structure of protective protein in the eye lens revealed

... The human eye lens consists of a highly concentrated mix of ... Whereas αA-crystallin mainly occurs in the eye lens, αB-crystallin is also very common in ... brain and in the heart and muscle tissue. In the eye lens, they counteract diseases like cataracts. ...

LSUHSC's Bazan awarded ARRA grant to preserve vision

... Ophthalmology, each year, more than 2.5 million eye injuries occur and 50,000 people permanently lose ... the US Department of Health and Human Services, eye injury is a leading cause of monocular blindness ... eye) in the United States. In 2004, about 37,000 eye injuries occurred in the workplace that resulted ...

Natural compound stops retinopathy

... and blood vessel formation related to eye disease means scientists can now develop new therapies including eye drops to stop diabetic retinopathy, a disease ... at the OU Health Sciences Center, Dean A. McGee eye Institute and the Harold Hamm Oklahoma Diabetes ...

New supplement may help slow sight loss in elderly

... Pharma and Bausch and Lomb. AMD is an incurable eye disease which causes blurring of central vision ... to the more serious late AMD. When the eye disease progresses to late AMD patients are ... and societal burden." As the macula of the eye is very rich in antioxidants the researchers ...

Omega-3 fatty acids appear to impact AMD progression

... an eight-year supplement trial, the Age-Related eye Disease Study (AREDS) of the National eye Institute (NEI). The AREDS trial results suggest ... that retinal cells cannot handle, thus damaging eye tissues." dGI is a scale used to determine how ...

Story tips from the Department of Energy's Oak Ridge National Laboratory, June 2009

... tools . . . Surgeons treating patients with eye diseases could soon have in their arsenal three ... and the University of Tennessee Hamilton eye Center in Memphis. The Retinal Clinch tool ... to match the thickness of the patient's eye membrane, thus tailoring the instrument to the ...

Tips from the American Journal of Pathology

... Pathol 2009, 174: 2234-2245 Repair After eye Injury Drs. Sandrine Joly, Charlotte Rem, and ... and circulating cells remove damaged cells after eye injury. These results are presented in the June ... limits access of immune cells to the eyes. After eye damage, however, immune cells remove damaged ...

Dolphins maintain round-the-clock visual vigilance

... bars or one vertical green bar) with her right eye before training her to recognise the same shapes ... the dolphin would only see the shapes through the eye connected to the conscious half of the brain. But ... recognised the shapes, even though her left eye had not seen them previously. Ridgway explains ...

Stem cell therapy makes cloudy corneas clear, according to Pitt researchers

... occurs after infection, trauma and other common eye problems, said senior investigator James L. ... and surgical resources but a great burden of eye disease due to infections and trauma. ... The current popularity of LASIK corrective eye surgery is expected to substantially reduce the ...

Eye cells believed to be retinal stem cells are misidentified

... Cells isolated from the eye that many scientists believed were retinal stem ... restore blindness should not concentrate on these eye cells previously believed to be retinal stem ... of such engineered photoreceptor cells into the eye to restore sight. Led by Michael Dyer, Ph.D., ...

Fetal alcohol syndrome testing expands

... locations. "Now we know that the results of eye movement testing are consistent across different ... in young children. This breakthrough will add eye movement testing to the standard clinical ... continuing to develop novel approaches for using eye movements to assess brain function. In ...

Shellfish and inkjet printers may hold key to faster healing from surgeries

... precision for exacting operations such as eye surgery. Traditionally, there have been two ... may "significantly improve wound repair in eye surgery, wound closure and fracture fixation." ... surgery that relies on extreme precision, such as eye repair, Narayan explains. ...

Diet could reduce onset of eye disease by 20 percent

... the degeneration of sight, caused by a common eye disease, could be reduced by up to 20% by ... and the health of your eyes is no exception. eye problems such as AMD, cataract and even glaucoma ... - can make a profound difference and can keep eye diseases like AMD at bay for up to 20% longer. ...

Game of two halves leads to brain asymmetry

... the animal might keep watch more with one eye (and consequently one half of the brain) and so ... than fully asymmetric animals in which one eye specialises for one task and the other eye for the other task. In humans, people with ...

Plastic and reconstructive surgery -- in brief

... New research evaluates the development of dry eye syndrome and outlines the proper steps for the ... identified the risk factors associated with dry eye symptoms. While such symptoms are temporarily ... among the risk factors for persistent dry eye symptoms. They suggest that proper understanding ...

Chemist receives NIH funding to unravel tricks of neuronal wiring

... During development, neurons from the right eye cross the midline of the brain to make a ... would encounter in the brain as it goes from the eye to where it has to make its final connection in ... to reconnecting severed nerves in humans. "This eye crossing event happens in every organism with two ...

New dummy design and development wins US Department of Defense award

... developers the ability to assess face and eye injury risk, determine the benefit of potential face and eye protection devices, and characterize any residual ... will allow the development of standards for eye and face protection devices and has been ...

Melatonin may save eyesight in inflammatory disease

... may help treat uveitis, a common inflammatory eye disease. The related report by Sande et al., ... Uveitis has a wide variety of causes, including eye injury, cancer, infection, and autoimmune ... optimal treatment for uveitis. Corticoid steroid eye drops are often used; however, long-term ...

Barrow scientists solve 200-year-old scientific debate involving visual illusions

... Center have discovered a direct link between eye motions and the perception of illusory motion ... center of a debate over whether the brain or the eye is behind the perception of illusory motion. ... that microsaccades, a small, unconscious eye movement that occurs when humans fixate their ...

Forgotten but not gone -- how the brain takes care of things

... if the flow of information from their "own" eye was temporarily blocked. After approximately five ... to receive and process information from the other eye - the brain had resigned itself to having only one eye at its disposal. Once information flowed freely ...

Iowa State researcher develops new treatment method for canine eye diseases

... that is more effective and reliable than using eye drops. Dr. Sinisa Grozdanic, an assistant ... releases gradually and treats the infected eye for an entire year. This is the first time the ... can cause pain, redness, inflammation and other eye problems for canines. This type of drug ...

Streamlining brain signals for speed and efficacy

... learn to stabilize an image on the retina and use eye movement to compensate for a moving head? This ... detect head movement; motor neurons, directing eye muscles to relax or contract; and so-called ... clear what qualities of the circuit ensure that eye velocity is precisely matched to head velocity. ...

Diabetes researcher gets $5M boost

... we can monitor diabetic neuropathy using a simple eye test," Professor Efron said. "Over the next ... to three days, whereas the quick and non-invasive eye tests would see results in a matter of minutes. ... would capture a 20 second "movie" of their eye for analysis. There are also three more tests ...

Where optics meets medicine

... OF EXAMS Anyone who has ever been examined for eye disease involving blood flow in the retinal ... travels within seconds through the blood to the eye where it highlights flow and vessel integrity in ... enough that they put off getting these crucial eye exams. To develop a patient-friendly ...

Hurricane Ike tracked by ESA's Envisat

... with ESA. "The knowledge of hurricane eye details, the radius of very high winds, details ... Hurricane Ike, wind speeds around the hurricane's eye can far exceed 40m/s (about 80 knots). The ... clearly shows a minimum in the well-delineated eye where the conditions are relatively calm. Around ...

Study says eyes evolved for X-Ray vision

... the world you can see beyond them when only one eye is open compared to both. You miss out on a lot with only one eye open, but can see nearly everything behind the ... across 17 mammalian orders and discovered that eye position depends on two variables: the clutter, ...

Light receptors in eye play key role in setting biological clock, study shows

... have discovered a switching mechanism in the eye that plays a key role in regulating the ... demonstrates that light receptor cells in the eye are central to setting the rhythms of the brain's ... our understanding of how light input from the eye can affect activity and sleep patterns," said ...

Telescope embedded in glasses lens promises to make driving easier for visually impaired

... requiring sharper distance vision. Schepens eye Research Institute scientists describe the ... Eli Peli, who is a senior scientist at Schepens eye Research Institute, a professor at Harvard ... of American face limited vision because of eye disorders, such as age-related macular ...

Protein transports nutrients believed to protect against eye disease

... responsible for transporting nutrients to the eye that are believed to protect against the ... the light-sensitive tissue at the back of the eye that sends nerve signals to the brain. ... not restore vision, according to the National eye Institute. The research appears in the August ...

New fossil tells twisted tale of how flatfishes ended up with two eyes on one side of head

... that every flatfish is born symmetrical, with one eye on each side of its skull. However, as it ... juvenile, it undergoes a metamorphosis where one eye moves (or "migrates") gradually up and over the ... Adding a further twist to the story, the right eye migrated in some specimens of Amphistium, while ...

American Chemical Society’s Weekly PressPac -- May 7, 2008

... those damaging events. The researchers studied eye fluid from individuals with and without DR who were undergoing eye surgery. They analyzed proteins in the vitreous, the gel-like material inside the eye between the retina and the lens. The study found ...

NJIT applauds students for studies on brain injury, glaucoma and more

... the brain. She hopes to better understand how eye movements relate to areas of the brain so that ... strengthen damaged vision. By tracking the eye movements of three subjects, she saw sections of ... someday enable glaucoma patients to monitor their eye pressure at home. The best current method ...

Sharper image: UH optometrist establishes sports vision clinic

... The standard eye chart only covers letters and numbers, but ... efforts now will pay off in the long run. The eye is a very intricate thing and although the ... for other teams, Holas said. April is Sports eye Safety Month and Gees clinic is open to both ...

Blood vessel protein reverses macular degeneration, diabetic retinopathy in mice

... SALT LAKE CITY Two major eye diseases and leading causes of ... But the studys ramifications go beyond eye diseases. Serious infections such as SARS ... sciences at the University of Utahs John A. Moran eye Center and an investigator with the Universitys ...

'Fluorescent' cells give early warning for eye disease

... imaging instrument can accurately detect eye disease at a very early stage. Such a device would be vision-saving because many severe eye diseases do not exhibit early warning signals ... study, two researchers from the U-M Kellogg eye Center used the instrument to measure the degree ...

Blue-eyed humans have a single, common ancestor

... place 6-10,000 years ago and is the cause of the eye colour of all blue-eyed humans alive on the ... team examined mitochondrial DNA and compared the eye colour of blue-eyed individuals in countries as ... implicated the OCA2 gene as being responsible for eye colour. Nature shuffles our genes The ...

St. Jude defines eye cancer gene's role in retinal development

... of how genes coordinate the complex process of eye formation and how a rare pediatric eye cancer progresses. A series of complex ... processes must be carefully orchestrated for the eye to form correctly, said Michael Dyer, Ph.D., ...

Hybridization partially restores vision in cavefish, NYU study finds

... showed that the evolutionary impairment of eye development, as well as the loss of pigmentation ... vision. Not only are the structures of the eye restored to the point where they regain function, ... roles in the development and maintenance of the eye in humans as well as in fishes, he explained. The ...

Multiple species of bacteria may cause trachoma: Implications for treatment

... species of bacteria may be causing the infectious eye disease trachoma. Six million people most of ... the transparent tissue covering the front of the eye - leading eventually to blindness. To investigate ... participants with Chlamidiacae infections of the eye were infected only with species previously ...

'Twinkle after-effect' can help retinal patients detect vision loss quickly and cheaply

... Boston, MAScientists at Schepens eye Research Institute, an affiliate of Harvard ... way for patients with retinal and other eye disease to keep track of changes in their vision ... Dr. Peter Bex, associate scientist at Schepens eye Research Institute and the principal investigator ...