title: Examination of class I, class II, normals and colour defectives on exchange threshold colorimeter and analytical anomaloscope.
mesh_terms: D003119:Color Perception Tests / Q000379:methods; D003117:Color Vision Defects / Q000503:physiopathology*; D006801:Humans; D012168:Retinal Pigments / Q000502:physiology; D012684:Sensory Thresholds
chemical_list: D012168:Retinal Pigments