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Rss Directory > Misc > Health > Latest ophthalmology news


Ophthalmology news
MedicineWorld.Org brings daily ophthalmology news from various sources to keep you updated on the latest events in the world on this topic. Medicineworld ophthalmology news service is the most comprehensive ophthalmology news service on the internet. We keep an archive of previous few days of news on this site. Please go down through the list to find the older news items.
 
Since the idea of using DNA to create faster, smaller, and more powerful computers originated in 1994, researchers have been scrambling to develop successful ways to use genetic code for computation. Now, new research from a professor at Rensselaer Polytechnic Institute suggests that if we want to carry out artificial computations, all we have to do is literally look around........
  Thu, 24 Jul 2008 00:37:30 +0200
One of the easiest ways to identify an object is by its color -- perhaps it is because children's books encourage us to pair certain objects with their respective colors. Why else would so a number of of us automatically assume carrots are orange, grass is green and apples are red? In two experiments by Holger Mitterer and Jan Peter de Ruiter from the Max Planck Institute for Psycholinguistics, perception of color and color constancy (the ability to see the same color under varying light conditions) were examined using different hues of orange and yellow. By using these hues on different objects, the scientists hoped to show that knowledge of objects can be used to identify color........
  Thu, 24 Jul 2008 00:37:30 +0200
The severity of retinal hemorrhaging for young children in motor vehicle crashes is closely corcorrelation to the severity of the crash, as per a new study by scientists at the Medical College of Wisconsin in Milwaukee. Retinal hemorrhages occur when the blood vessels lining the retina rupture, resulting in bleeding onto the surface of the retina........
Catching a football. Maneuvering through a room full of people. Jumping out of the way when a golfer yells "fore." Most would agree these seemingly simple actions require us to perceive and quickly respond to a situation. Assistant Professor of Cognitive Science at Rensselaer Polytechnic Institute Mark Changizi argues they require something more - our ability to foresee the future........
  Thu, 24 Jul 2008 00:37:30 +0200
Hypertension and high cholesterol levels appear to be risk factors for retinal vein occlusion, a condition that causes vision loss, as per a report in the recent issue of Archives of Ophthalmology, one of the JAMA/Archives journals. Retinal vein occlusion occurs when one or more veins carrying blood from the eye to the heart become blocked, as per background information in the article. Bleeding (hemorrhage) or fluid buildup (edema) may follow, damaging vision........
A low-vision treatment program that includes a home visit, counseling, assistive devices such as magnifiers and assignments to practice using them appears to significantly improve vision in veterans with diseases of the macula (the area of the retina with the sharpest vision), as per a report in the recent issue of Archives of Ophthalmology, one of the JAMA/Archives journals........
  Thu, 24 Jul 2008 00:37:30 +0200
The standard eye chart only covers letters and numbers, but athletes need above average vision to track balls hurtling toward them at alarming speeds. To test those special skills, a University of Houston optometrist has founded the Sports Vision Performance Center, a facility where athletes perform while a strobe light is flashing, play tag with a board of lights and engage in other activities designed to improve their visual abilities........
  Thu, 24 Jul 2008 00:37:30 +0200
It is the No. 1 line-item cost of Medicare reimbursement and affects more than 20 million people in the United States. Cataracts, which can have devastating effects on the eye, affect 42 percent of the population between the ages of 70 and 80, and 68 percent of the population over the age of 80, as per the National Eye Institute. Now, a University of Missouri professor has identified an important step in how cataracts form. This discovery, published in a recent edition of The Journal of Biological Chemistry, could lead to a better therapy or cure for cataracts in the future........
  Thu, 24 Jul 2008 00:37:30 +0200
The ocular lens belongs to the optical apparatus and focuses incidental beams of light onto the retina. Now, a research team led by Professor Dr. Jochen Graw of the Institute of Developmental Genetics, of the Helmholtz Zentrum München, has been able to decipher a genetic defect responsible for small eyes and an incomplete, clouded lens in the so-called Aey12 mouse mutants. These results lead to conclusions concerning cataracts in humans, because, in this case too, the lens loses its transparency........
Worldwide, an average 95.4 percent of LASIK patients are satisfied with their new vision, as per the first review of the world body of scientific literature, the American Society of Cataract and Refractive Surgery announced recently. With 16.3 million patients having had LASIK worldwide, and more than a decade of clinical study and technological innovation behind it, LASIK is considered among the most successful elective procedures available today........
  Thu, 24 Jul 2008 00:37:30 +0200
Researchers at Schepens Eye Research Institute have observed that people with a certain low level of tear production are more likely to develop chronic dry eye syndrome after LASIK (laser-assisted in situ keratomileusis), laser refractive surgery to correct near- and far-sightedness than those with more plentiful tears. Their research, reported in the recent issue of Investigative Ophthalmology and Vision Science, may offer reliable prescreening criteria for ophthalmologists and patients........
  Thu, 24 Jul 2008 00:37:30 +0200
Using the radiocarbon dating method and special proteins in the lens of the eye, scientists at the University of Copenhagen and Aarhus can now establish, with relatively high precision, when a person was born. This provides a useful tool for forensic researchers who can use it to establish the date of birth of an unidentified body and could also have further consequences for health science research. The findings appear in the online, open-access journal PLoS ONE on January 30........
  Thu, 24 Jul 2008 00:37:30 +0200
Researchers have discovered a way of speeding up the production of hollow-core optical fibres - a new generation of optical fibres that could lead to faster and more powerful computing and telecommunications technologies. The procedure, described today in the journal Optics Express, cuts the production time of hollow-core optical fibres from around a week to a single day, reducing the overall cost of fabrication........
  Thu, 24 Jul 2008 00:37:30 +0200
Movie characters from the Terminator to the Bionic Woman use bionic eyes to zoom in on far-off scenes, have useful facts pop into their field of view, or create virtual crosshairs. Off the screen, virtual displays have been proposed for more practical purposes -- visual aids to help vision-impaired people, holographic driving control panels and even as a way to surf the Web on the go........
  Thu, 24 Jul 2008 00:37:30 +0200
Purchasing contact lenses online may save consumers time, but the process could cause more problems in the long run, as per a new study published in the recent issue of Optometry: Journal of the American Optometric Association. This research, which was conducted by Joshua Fogel, Ph.D., and Chaya Zidile of Brooklyn College, observed that individuals who did not purchase their contact lenses from an eye doctor, but from an online site or store, are potentially placing themselves at greater risk. The findings indicated that online and store purchasers (consumers who get their contacts at a wholesale club or optical chain outlet) are less likely to adhere to healthy eye care practices, as recommended by their eye doctor........

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