Induced optical blur reduced monocular performance in depth-related tasks, suggesting vision accuracy may decrease with visual distortion.
The deterioration of depth-related visuomotor task performance with optical blur depends on its magnitude, radial symmetry and the similarity between the two eyes. Performance drop is largely from spending more time making/correcting errors, whereas the overall speed remained undiminished.
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Tyler et al. (2025) studied this question.
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