You appreciate peripheral vision? Thank your rods. This story originally appeared in Volume 24 of Road & Track. I’m not saying that the cone cells, which detect color, are prima donnas ...

Focus shifting exercises your eyes by making you switch your focus between objects at different distances. Simply focus on an object approximately 10 feet away for 10 seconds, then shift your focus to ...

Total color blindness is present from birth and ... This measures your central and peripheral vision. Perimetry detects scotomas and allows recording of their location and size.