Brown University researchers have found a new cell in the eye that acts as a photoreceptor – like a rod or cone – and sets the body’s circadian clock. Brown University researchers have found a new ...

Every time the human eye darts from one point to another, the retinal image smears across the visual field. These rapid jumps, called saccades, happen several times per second, yet the world never ...

The human eye does not perceive the world with a uniform resolution. Resolution (detail) is highest at the point of gaze and falls rapidly towards the periphery. To convince yourself, look at the ...