The luminous transmission ftor of sunglasses.
D000221:Adaptation, Ocular; D001334:Automobile Driving; D001359:Aviation; D003117:Color Vision Defects; D003623:Dark Adaptation; D003624:Darkness; D005139:Eyeglasses / Q000009:adverse effects; D006801:Humans; D007259:Infrared Rays; D008027:Light; D010786:Photoreceptor Cells / Q000502:physiology; D011603:Psychophysiology; D011930:Reaction Time; D013472:Sunlight; D014466:Ultraviolet Rays; D014785:Vision, Ocular; D014792:Visual Acuity; D014796:Visual Perception