The optical axis of an eye (extending from the viewed object through the centre of the pupil to the yellow spot of the retina)

The sharpness of vision or sight. / Strength of vision expressed on some definite scale.

A programming language developed by Microsoft, broadly descended from BASIC and Pascal, in which all programs have a graphical user interface.

A Japanese music movement that emerged in the 1980s, characterized by eccentric, flamboyant looks and sometimes an androgynous appearance.

The science of the visual representation of data

the presence of an undesirable sight that can ruin the aesthetic appeal of an area; the visually unattractive elements of a landscape.

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.

visual poems generally