Colour blindness in Finland. 1. Frequency of protans and deutans. 2. Family studies on minor deviations of the normal mid matching point using the anomalscope.
D000328:Adult; D003119:Color Perception Tests / Q000295:instrumentation; D003117:Color Vision Defects / Q000175:diagnosis / Q000453:epidemiology* / Q000235:genetics*; D005260:Female; D005387:Finland; D006801:Humans; D008297:Male; D008889:Military Personnel; D012737:Sex Factors