Latest Visual field Stories
A diagnosis of hemianopia, or blindness in one half of the visual field in both eyes as the result of strokes, tumors or trauma often means the end of driving.
Patients who are blind in one side of their visual field benefit from presentation of sounds on the affected side.
PINE BROOK, N.J., Aug. 2, 2011 /PRNewswire/ -- A new visual evoked potential method has been developed to objectively assess visual field defects in patients with ocular and/or neurological conditions.
Thousands of people who are partially-sighted following stroke or brain injury could gain greater independence from a simple, cheap and accessible training course which could eventually be delivered from their mobile phones or hand-held games consoles.
Despite the fact that crowding affects more than ninety-five per cent of the visual field, we know very little about how it occurs, aside from the fact that it happens not in the eye, but in parts of the brain that deal with seeing.
Schepens Eye Research Institute scientists have found that--when tested in a driving simulator--patients with hemianopia (blindness in one half of the visual field in both eyes) have significantly more difficulty detecting pedestrians (on their blind side) than normally sighted people.
Suggests additional training to help brain adapt more fully and further enhance benefits BOSTON, May 19 /PRNewswire-USNewswire/ -- In a study of specially designed peripheral prism glasses for hemianopia patients (blinded in half the visual field in both eyes), scientists found that two-thirds of patients continued to wear the glasses at the end of the study period and beyond, indicating a high level of success.
SARATOGA, Calif., March 30 /PRNewswire/ -- VisionCare Ophthalmic Technologies, Inc., a developer of advanced visual prosthetic devices for individuals with age-related macular degeneration (AMD), today announced the FDA Ophthalmic Devices Advisory Panel unanimously recommended that the FDA approve, with conditions, the premarket application (PMA) for its implantable telescope for End-Stage AMD.
The antiepileptic drug vigabatrin (VGB) has been shown to be one of the best treatments against a special form of epilepsy in infants, called infantile spasm.
A new study from Georgia Tech shows that when patients with macular degeneration focus on using another part of their retina to compensate for their loss of central vision, their brain seems to compensate by reorganizing its neural connections.