An attempt at clinical determination by means of surface colours of the convergence points in congenital and acquired defects of colour vision.
D003119:Color Perception Tests; D003117:Color Vision Defects / Q000175:diagnosis* / Q000209:etiology / Q000235:genetics; D005128:Eye Diseases / Q000150:complications; D005403:Fixation, Ocular; D006801:Humans; D008433:Mathematics; D013053:Spectrophotometry; D013499:Surface Properties