Vision

How To Spot A Bad Decision: Pupil Size

A new paper believes it can measure the precision with which people make decisions- by pupil size before they are presented with any information. Spontaneous, moment-to-moment fluctuations in pupil size predicted how a selection of participants varied in ...

Article - News Staff - Sep 18 2014 - 3:44pm

Vitamin E, Selenium Don't Help Age-Related Cataracts In Men

Taking daily supplements of selenium and/or vitamin E appears to have no significant effect on the development of age-related cataracts in men, according to new findings from the Selenium and Vitamin E Cancer Prevention Trial (SELECT) Eye Endpoints (SEE) ...

Article - News Staff - Sep 20 2014 - 8:01am

Blind Spot: Our Coming Eye Disease Epidemic

Almost 2 million Americans have an advanced form of age-related macular degeneration (AMD) and about 100,000 are blind from the disease. In AMD, cells in the retina, that layer of tissue in the back of the eye, begin to break down. What was once sharp cent ...

Article - Hank Campbell - Sep 25 2014 - 6:21pm

Have Sharp Vision? Your Brain May Be Fooling You

We assume that we can see the world around us in sharp detail but our eyes only process a fraction of our surroundings precisely. In a series of experiments, psychologists at Bielefeld University investigated how the brain fools us into believing that we ...

Article - News Staff - Oct 17 2014 - 2:39pm

Humans May Have A Spidey Sense For Blind Spots

Credit: Tobyotter via flickr By: Nala Rogers, Inside Science (Inside Science)-- The spider's iconic leggy shape can abruptly yank our attention, even when we’re focused on something else, according to a new study. Other shapes such as houseflies and ...

Article - Inside Science - Oct 19 2014 - 9:01am

Better, Quicker-Thinking Umpires? There’s An App For That!

During last night's World Series game between the San Francisco Giants and the Kansas City Royals, the batter dropped down a surprise bunt and sprinted to first base. The umpire called him safe and slow motion replay showed he had beaten the throw by ...

Article - News Staff - Oct 27 2014 - 1:31pm

Onchocerciasis: New Test For Major Cause Of Preventable Blindness In Africa

A new test may help eliminate onchocerciasis, commonly known as river blindness, which is a leading cause of preventable blindness in Africa. The SD BIOLINE Onchocerciasis IgG4 antibody-based test is manufactured and distributed by Standard Diagnostics, I ...

Article - News Staff - Nov 3 2014 - 10:03am

6 Billion Dollar Man Progress: An Artificial Retina

The Six Billion Dollar Man is getting a little bit closer, not just to movie theaters, but in real life.  A new development toward a prosthetic retina could help counter conditions that result from retinal degeneration, a life-altering health issue for ma ...

Article - News Staff - Nov 12 2014 - 2:03pm

GEDi: Genetic Test For Inherited Eye Disease Highly Accurate

The retina is the neural tissue in the back of the eye that initiates vision. It is responsible for receiving light signals and converting them into neurologic signals, which are then transmitted via the optic nerve to the brain so that we can see. Mutati ...

Article - News Staff - Nov 23 2014 - 1:43pm

The Evolution Of Trichromatic Color Vision In Humans

The evolution of trichromatic color vision in humans occurred by first switching from the ability to detect UV light to blue light between 80 and 30 million years ago and then by adding green-sensitivity(between 45-30 million years ago to the preexisting ...

Article - News Staff - Dec 18 2014 - 7:20pm