Eccentricity of the scotopic fovea about a photopic point as revealed by acuity contours.
D000221:Adaptation, Ocular; D000328:Adult; D003623:Dark Adaptation; D005403:Fixation, Ocular; D005584:Fovea Centralis / Q000502:physiology*; D006801:Humans; D008266:Macula Lutea / Q000502:physiology*; D008297:Male; D014792:Visual Acuity; D014794:Visual Fields