Relating to the senses of vision and hearing.

Relating to visuoconstruction.

Relating to visuoconstruction.

The ability to organize and manually manipulate spatial information to make a design.

Relating to visualization.

Employing, or relating to, vision and gesture.

A document camera.

A product intermediate between visual purple and visual white, formed by the photochemical action of light on visual purple.

The final product in the action of light on visual purple. It is reconverted into visual purple by the regenerating action of the choroidal epithelium.

(geometry) The angle formed by two rays of light, or two straight lines drawn from the extreme points of an object to the center of the eye.