Color in sunglass lenses.
D001334:Automobile Driving; D003116:Color; D003118:Color Perception; D003623:Dark Adaptation; D003867:Depth Perception; D004192:Discrimination, Psychological; D005139:Eyeglasses / Q000592:standards*; D006801:Humans; D008433:Mathematics; D013472:Sunlight; D014792:Visual Acuity