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  • Title: The assessment of visual acuity in children with periventricular damage: a comparison of behavioural and electrophysiological techniques.
    Author: Tinelli F, Pei F, Guzzetta A, Bancale A, Mazzotti S, Baldassi S, Cioni G.
    Journal: Vision Res; 2008 May; 48(10):1233-41. PubMed ID: 18384834.
    Abstract:
    It has been controversial whether electrophysiology offers better precision than behavioural techniques in measuring visual acuity in children with brain damage. We investigated the concordance between sweep VEPs and Acuity Cards (AC) in 29 children with periventricular leukomalacia (PVL), the most common type of brain damage in preterm infants. An overall good correlation was shown but with relatively better behavioural acuity values. VEP/AC ratio was significantly correlated to corpus callosum posterior thinning. We propose that this result reflects the efficacy of the compensatory mechanisms following early brain damage which may differentially affect the two methods.
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