Effects of the beginning of macula degeneration on colour-vision tests.
D000367:Age Factors; D003119:Color Perception Tests; D003117:Color Vision Defects / Q000209:etiology*; D006801:Humans; D008266:Macula Lutea; D008875:Middle Aged; D012162:Retinal Degeneration / Q000150:complications* / Q000175:diagnosis; D013997:Time Factors; D014792:Visual Acuity