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Review
. 1995;19(2):109-15.
doi: 10.1007/BF00133181.

Vernier acuity and aging

V Lakshminarayanan  1 , J M Enoch
Affiliations
Review

Vernier acuity and aging

V Lakshminarayanan et al. Int Ophthalmol. 1995.

Abstract

Purpose/background: Many visual functions change with age. Hyperacuity vernier thresholds, however, seem to remain practically invariant with age.

Methods: We critically review reports on age-related changes in hyperacuity thresholds and present new data using two and three-point vernier hyperacuity thresholds.

Results: It appears as though the vernier (two dot or two line) alignment hyperacuity thresholds are not sensitive to age.

Significance: Based on these studies we propose that hyperacuity (vernier) thresholds be used as a benchmark, or a gold standard for aging studies. This measurement can serve as a valuable control and reference for other clinical studies of aging.

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