Refraction determined electrophysiologically. Responses to alternation of visual contours.
D000328:Adult; D003201:Computers; D004596:Electroretinography; D005071:Evoked Potentials; D006801:Humans; D007909:Lenses; D008297:Male; D008722:Methods; D008875:Middle Aged; D012029:Refraction, Ocular; D012030:Refractive Errors / Q000503:physiopathology; D014793:Visual Cortex / Q000502:physiology*