Abstract
The investigations included 20 aphakic patients. Relations were established between visual acuity, refraction and the pattern reversal visual-evoked cortical potentials (PRVECP). Close correlations were found between the three values. The optimum correction for obtaining best visual acuity, the skiascopic value, and the correction value for obtaining the largest PRVECP amplitude at minimum peak time differ by an average of 0.5 dptr.
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