preferential looking test

preferential looking test

(pre″fĕ-ren′shăl) [ preference + -al]
A test of visual acuity in infants in which the direction of the infant's gaze indicates whether or not a visual stimulus was seen.
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I admit that I was slightly sceptical at first, having no experience of how effective a preferential looking test would be on a toddler, or how easy it would be for the optometrist to use.
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