visual acuity

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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 ?
Gradually, the scenarios, following a method called Preferential Looking Procedure, become more complicated One video shows a boy hugging a girl, the second shows a girl feeding a boy.
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).

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