title: The Pickford-Nicolson anomaloscope as a test for acquired dyschromatopsias.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000188:drug therapy; D002386:Cataract / Q000150:complications; D002387:Cataract Extraction / Q000009:adverse effects; D002648:Child; D002738:Chloroquine / Q000009:adverse effects / Q000627:therapeutic use; D003119:Color Perception Tests; D003117:Color Vision Defects / Q000139:chemically induced / Q000175:diagnosis* / Q000209:etiology; D004056:Differential Threshold; D005069:Evaluation Studies as Topic; D005901:Glaucoma / Q000150:complications; D006801:Humans; D008266:Macula Lutea; D008297:Male; D008875:Middle Aged; D012162:Retinal Degeneration / Q000150:complications; D012174:Retinitis Pigmentosa / Q000150:complications; D013997:Time Factors; D014792:Visual Acuity
chemical_list: D002738:Chloroquine