10/30/2026
A one-page clinical pupil cheat sheet for eye care professionals covering pupil exam basics, RAPD/APD testing, anisocoria workup, common pupil findings, key differentials, and urgent red flags. It provides a quick reference for distinguishing causes of abnormal pupil size, interpreting the swinging flashlight test, recognizing optic nerve and retinal causes of an RAPD, and identifying findings that may require urgent neurologic or ophthalmic evaluation.