visual acuity

(redirected from Preferential looking)
Also found in: Dictionary, Thesaurus, Medical.
Related to Preferential looking: preferential looking test

visual acuity

[′vizh·ə·wəl ə′kyü·əd·ē]
(physiology)
The ability to see fine details of an object; specifically, the ability to see an object whose angle subtended at the eye is 1 minute of arc.

visual acuity

A measure of the ability to distinguish fine details; the reciprocal of the angular size of critical detail which is just large enough to be seen.
References in periodicals archive ?
Analysis revealed no significant correlation between perception and the production probe in this study, r(30) = -.17, p > .05; however, the results did indicate that two children showed preferential looking in the correct direction for the word pairs that they were also able to produce accurately in the production probe.
For very young children, tests based on preferential looking (PL) are the most reliable.
The one that has translated into clinical assessment is preferential looking (PL).

Full browser ?