Journal of Optometry and Ophthalmology on Twitter: "A relative afferent pupillary defect (RAPD), also known as a Marcus Gunn pupil, is a medical sign observed during the swinging-flashlight test whereupon the patient's
Relative afferent pupillary defect (RAPD or APD) — Medilex: The Experts on Medical Experts
Detecting a relative afferent pupillary defect using the swinging light test | International Journal of Ophthalmic Practice