Investigation of senile macular degeneration.
D000368:Aged; D001766:Blindness / Q000453:epidemiology; D005260:Female; D006801:Humans; D008268:Macular Degeneration / Q000175:diagnosis / Q000453:epidemiology*; D008297:Male; D010858:Pigmentation; D012162:Retinal Degeneration / Q000453:epidemiology*; D014792:Visual Acuity