<unk>  seen on a teenager The<unk>  in photography is the common appearance of<unk>  pupils in color photographs of the<unk> s of humans and several other animals. It occurs when using a photographic flash that is very close to the camera lens (as with most compact cameras) in ambient low light.
Red-eye effect
Stroop effect
Mandelbaum effect
Windkessel effect
Baskerville effect
Eagle effect
Bowditch effect
Tissue selectivity