News

Impaired vision and blindness ... a white background (Snellen chart) in indoor conditions with bright lights. It is a high-contrast procedure designed to test the sharpness of vision at a set ...
The strength of your vision also includes eye coordination, depth perception, peripheral awareness, focusing ability, and color vision ... The Snellen test uses a chart that contains letters ...
Others include color vision, peripheral vision ... use this test to check your ability to see. The Snellen test uses a chart of letters or symbols. You’ve probably seen the chart in a school ...
A new, high-tech method for displaying color has allowed five test subjects to see a shade ... method and prototype machine is called the Oz Vision System,(a not-so-subtle nod to reaching ...
A new test called “Is my blue your ... The neuroscientist explained that perception of color is generally “tricky to measure.” “Vision scientists use specialized calibrated equipment ...
Austin Roorda, a vision scientist, pointed out that it is impossible to display this color through a description in an article or on a monitor. The color we see is merely a version of it ...
Craig Jensen, 366th Aerospace Medical Squadron optometry flight commander, performs a vision test on a patient ... he realizes he is color blind, which will disqualify him.