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J D Bertsch

Publications and source records attributed to J D Bertsch.

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Does stereopsis change with age?

Stereopsis thresholds were measured on 242 subjects with normal visual acuity and ranging in age from 8 to 46 years. The results showed no trend with age and no significant sex difference. The log-second threshold mean was 0.74+/-0.21 with a test-retest reliability coefficient of 0.70+/-0.05.

Adolescent