The value of tissue paper contrast tests.
D000293:Adolescent; D000328:Adult; D000368:Aged; D003119:Color Perception Tests / Q000379:methods*; D003117:Color Vision Defects / Q000175:diagnosis; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010209:Paper; D014794:Visual Fields