Interrelation of optokinetic nystagmus response and recognation visual acuity.

Objective:Optokinetic nystagmus (OKN)response is a useful method for objective assess-ment of visual acuity in the preverbal infants.The aim of this study was to investigate thecorrelation between recognition visual acuity and OKN response elicited by different bar si-zes with varying contrast.