Effect of the Harvard Step Test on visual acuity.
A replication with 5 females in a laboratory setting of findings by Kashuk that physical activity improves visual acuity used the Harvard Step Test for the exercise load and grating acuity (resolution acuity) to determine possible changes. The results support Kashuk's work.
D005260:Female; D006801:Humans; D005082:Physical Exertion; D014792:Visual Acuity; D014796:Visual Perception / Q000502:physiology