News tagged with visual field


The visual system as economist: Neural resource allocation in visual adaptation

(Medical Xpress)—It has long been held that in a new environment, visual adaptation should improve visual performance. However, evidence has contradicted this expectation: Adaptation sometimes not only ...

Neuroscience created Mar 30, 2013 | popularity 5 / 5 (2) | comments 9 | with audio podcast feature

Brain's vision secrets unraveled

A new study led by scientists at the Universities of York and Bradford has identified the two areas of the brain responsible for our perception of orientation and shape.

Neuroscience created Feb 03, 2013 | popularity 5 / 5 (9) | comments 3 | with audio podcast

Congenitally absent optic chiasm: Making sense of visual pathways

(Medical Xpress)—One way to increase our understanding of bilateral brains, like our own, is to inspect their paired sensory systems. In our visual system, the optic nerves normally combine at a place called ...

Neuroscience created Apr 15, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast report

How memory load leaves us 'blind' to new visual information

(Medical Xpress)—Trying to keep an image we've just seen in memory can leave us blind to things we are 'looking' at, according to the results of a new study supported by the Wellcome Trust.

Neuroscience created Oct 01, 2012 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Magnetic stimulation to improve visual perception

(Medical Xpress) -- Using transcranial magnetic stimulation (TMS), an international team led by French researchers from the Centre de Recherche de l'Institut du Cerveau (CNRS) has succeeded in enhancing the visual abilities ...

Neuroscience created Jun 05, 2012 | popularity 4.5 / 5 (4) | comments 0 | with audio podcast

Detecting glaucoma before it blinds

Early detection and diagnosis of open angle glaucoma important so that treatment can be used in the early stages of the disease developing to prevent or avoid further vision loss. Writing in a forthcoming issue of the International Jo ...

Medical research created Oct 06, 2011 | popularity 2.5 / 5 (2) | comments 0

Hear to see: New method for the treatment of visual field defects

Patients who are blind in one side of their visual field benefit from presentation of sounds on the affected side. After passively hearing sounds for an hour, their visual detection of light stimuli in the blind half of their ...

Neuroscience created May 30, 2012 | popularity not rated yet | comments 0

Researchers develop new test for children with vision loss (w/ video)

(Medical Xpress) -- Technology developed at the University of Cambridge to detect peripheral visual field loss in young children will enable the earlier detection of brain tumours, potentially saving sight and lives.

Medical research created Oct 12, 2011 | popularity 2 / 5 (1) | comments 0 | with audio podcast

More frequent visual field testing may lead to earlier detection of glaucoma progression

In patients with glaucoma, frequent visual field testing may be associated with earlier detection of the condition's progression, according to a report published Online First by Archives of Ophthalmology, one of the JAMA/A ...

Diseases, Conditions, Syndromes created Aug 08, 2011 | popularity not rated yet | comments 0

Study suggests odds of visual field testing for glaucoma decreased most for Hispanics in past decade

The odds of individuals with open-angle glaucoma undergoing visual field testing decreased for all racial/ethnic groups from 2001 through 2009, but the odds decreased the most for Hispanic men and women in a study of enrollees ...

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