THE EFFECT OF AGE AND ILLUMINATION UPON VISUAL PERFORMANCE WITH CLOSE SIGHTS
Open Access
- 1 September 1948
- journal article
- research article
- Published by BMJ in British Journal of Ophthalmology
- Vol. 32 (9) , 645-653
- https://doi.org/10.1136/bjo.32.9.645
Abstract
Visual performance was regarded as the rate of accomplishing a specific visual task, e.g., the discrimination of visual objects having a prescribed characteristic. Visual efficiency reaches its maximum in early adult life and then falls off fairly rapidly,especially when there is a reduction in illumination.Keywords
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