PSY/CS330 Human Factors
5/2/00
Day 1-14
Acuity
uDEFINITION: ability to resolve or see fine details.
uVisual Angle: DEFINITION: Angle formed by object on retina.
uTypes of Acuity: what is meant by acuity depends upon the stimulus used to measure it.
lDetection: black bar on white field
lResolution: a grating
lRecognition: e.g. Snellen, where
l    you read letters.