Investigation of blur sensitivity in individuals with varying visual acuity, indicating potential implications for testing effectiveness.
Sensitivity to blur was investigated in a group of subjects having long‐standing reduction of visual acuity, and in another group of subjects whose acuity was reduced for the purpose of the study. The distributions of scores was compared with those of a previous study of subjects with normal acuity. The reduction of acuity produced a shift in both distributions, the greater shift occurring in the second group.
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Layton et al. (1982) studied this question.
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