Effect of age on Arden grating acuity.

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Abstract
Arden grating test scores were obtained for 100 normal subjects under standardised testing conditions. While previously published ranges of interocular conguity were corroborated, a significant increase in test scores with increasing age was noted. This effect of age has not been previously reported. Physiological considerations suggest that such age dependency might have been expected. It is suggested that ranges of normal values be established for each of several age groups.