Abstract

Behavioral improvement in the quality of infant vision parallels neuroanatomic and neurophysiologic brain development. Progressive refinement of acuity can be tracked by means of tests that employ fixation and following, optokinetic nystagmus, preferential viewing, and pattern-evoked visual responses. These methods of evaluating vision in the preverbal child differ from each other in several respects; their relative advantages and disadvantages are discussed.

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