Brightness contrast in the Ehrenstein illusion.
D000360:Afterimage; D003623:Dark Adaptation; D005133:Eye Movements; D005584:Fovea Centralis / Q000502:physiology; D006801:Humans; D007088:Illusions; D008027:Light; D008297:Male; D009903:Optical Illusions; D010364:Pattern Recognition, Visual; D012160:Retina / Q000502:physiology; D014794:Visual Fields