Vision

According to some papers, human echolocation is another "sense," working in tandem with hearing and touch to deliver information to people with visual impairment. A new paper adds evidence for the…

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-…

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 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…

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…

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…

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…

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…

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…

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…