News tagged with vision science


Wide-eyed fear expressions may help us—and others—to locate threats

Wide-eyed expressions that typically signal fear may enlarge our visual field and mutually enhance others' ability to locate threats, according to new research published in Psychological Science, a journal of the Association for Ps ...

Psychology & Psychiatry created May 01, 2013 | popularity not rated yet | comments 0 | with audio podcast

Contacts uncomfortable? Changing lens type or lens care product may help

If your contact lenses are causing you discomfort, simply switching to a different type of contact lens or lens care product may bring improvement, reports a study, " Effect of Lens and Solution Choice on the Comfort of Contact ...

Ophthalmology created May 01, 2013 | popularity not rated yet | comments 0

Despite what you may think, your brain is a mathematical genius

The irony of getting away to a remote place is you usually have to fight traffic to get there. After hours of dodging dangerous drivers, you finally arrive at that quiet mountain retreat, stare at the gentle ...

Neuroscience created Apr 11, 2013 | popularity 4.5 / 5 (10) | comments 2 | with audio podcast

Blindness more than a pain in the neck

(Medical Xpress)—Surveys regularly reveal that, when asked about their greatest fear, people nominate blindness as one of the two things they dread most (cancer being the other).

Health created Apr 05, 2013 | popularity not rated yet | comments 0

New technique shows promise in restoring near vision without glasses

By middle age, most people have age-related declines in near vision (presbyopia) requiring bifocals or reading glasses. An emerging technique called hyperopic orthokeratology (OK) may provide a new alternative for restoring ...

Ophthalmology created Apr 01, 2013 | popularity 5 / 5 (2) | comments 0

'OK' contact lenses work by flattening front of cornea, not the entire cornea

A contact lens technique called overnight orthokeratology (OK) brings rapid improvement in vision for nearsighted patients. Now a new study shows that OK treatment works mainly by flattening the front of the cornea, reports ...

Ophthalmology created Mar 04, 2013 | popularity 4 / 5 (1) | comments 0

Colour vision link may help myopia research

(Medical Xpress)—A possible link between colour vision and the development of myopia - or near-sightedness - has been discovered by an international group, including a researcher from The University of Western Australia.

Ophthalmology created Mar 01, 2013 | popularity not rated yet | comments 0 | with audio podcast

Curable eye disease still rife among Indigenous Australians

Australia remains the only developed country in the world not to have eliminated trachoma, the leading cause of infectious blindness, despite recent progress in tackling the disease.

Ophthalmology created Feb 26, 2013 | popularity 5 / 5 (1) | comments 0

In combat vets and others, high rate of vision problems after traumatic brain injury

Visual symptoms and abnormalities occur at high rates in people with traumatic brain injury (TBI)—including Iraq and Afghanistan War veterans with blast-related TBI, reports a study, "Abnormal Fixation in Individuals with ...

Neuroscience created Feb 04, 2013 | popularity not rated yet | comments 0

Altering eye cells may one day restore vision

(Medical Xpress)—Doctors may one day treat some forms of blindness by altering the genetic program of the light-sensing cells of the eye, according to scientists at Washington University School of Medicine ...

Ophthalmology created Jan 25, 2013 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Surgeon, optical scientist collaborate on surgery camera

(Medical Xpress)—Dr. Mike Nguyen, a urologist and UA associate professor of surgery, and Hong Hua, a UA professor of optical sciences, have teamed up with the goal of creating a camera that will allow surgeons ...

Surgery created Jan 17, 2013 | popularity not rated yet | comments 0

Analyzing babies' expressions could help children at risk for developmental disorders

Parents and babies smile, laugh and coo at each other, but scientists still have a lot of questions about how these interactions help infants develop.

Psychology & Psychiatry created Jan 08, 2013 | popularity 1 / 5 (1) | comments 0 | with audio podcast

Why do age-related macular degeneration patients have trouble recognizing faces?

Abnormalities of eye movement and fixation may contribute to difficulty in perceiving and recognizing faces among older adults with age-related macular degeneration (AMD), suggests a study "Abnormal Fixation in Individuals with AMD when Viewing an Image of a Face" appearing in the January issue of Optometry and Vision Science, officia ...

Ophthalmology created Jan 07, 2013 | popularity not rated yet | comments 0

Morning vs nighttime replacement affects adverse events with extended-wear contact lenses

For people using 30-day extended-wear/continuous-wear (EW/CW) contact lenses, replacing lenses at night doesn't lower the risk of complications compared to changing lenses monthly, suggests a study – "The Effect of Daily ...

Ophthalmology created Dec 10, 2012 | popularity not rated yet | comments 0

Discovery of ways to optimize light sources for vision could lead to billions of dollars in energy savings

Vision researchers at Barrow Neurological Institute have made a groundbreaking discovery into the optimization of light sources to human vision. By tuning lighting devices to work more efficiently with the human brain the ...

Neuroscience created Nov 15, 2012 | popularity 4.5 / 5 (8) | comments 3 | with audio podcast