title: Effect of pupil diameter on colour vision test performance.
mesh_terms: D000293:Adolescent; D000328:Adult; D003118:Color Perception; D003119:Color Perception Tests; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos; D011680:Pupil / Q000033:anatomy & histology*
chemical_list: D010919:Placebos