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Changes in the lower displacement limit for motion with age

By Joanne M. Wood and Mark A. Bullimore


Previous studies have alleged that the ability to perceive motion remains constant with age. We investigated the effect of age on minimum displacement thresholds using computer-generated random dot stimuli in 91 healthy, visually normal subjects (age range 21-82 years). High and low contrast visual acuity and letter contrast sensitivity were also tested. We found that minimum displacement thresholds increased significantly at a rate of 0.07 log min arc per decade (approximately 17%). The relationship between age and performance was very similar for all visual tests

Topics: 111300 OPTOMETRY AND OPHTHALMOLOGY, 111303 Vision Science
Publisher: Blackwell Publishing
Year: 1995
DOI identifier: 10.1046/j.1475-1313.1995.9592789.x
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