RAPD - Relative afferent pupillary defect - optic neuritis #drarshadchildspecialist | Dr. Arshad Mehmood - Child Specialist

Abnormal Pupils Made Easy 🔹 Afferent Pathway Abnormalities Marcus Gunn pupil (Relative Afferent Pupillary Defect – RAPD) 🔹 Efferent / Parasympathetic Abnormalities Oculomotor nerve palsy (CN III palsy) – dilated, non-reactive pupil Adie’s (Tonic) pupil Pharmacologic mydriasis 🔹 Sympathetic Pathway Abnormalities Horner syndrome – miosis, ptosis, anhidrosis 🔹 Midbrain / Brainstem Syndromes Argyll Robertson pupil – light-near dissociation Light-near dissociation (general category) Parinaud (dor

Your PD, or pupillary distance, is the measurement between the centre of your pupils. It’s measured in mm and very important if you have a strong prescription or are ordering varifocal lenses, so that the optical centre of the lenses can match the wearer's PD for best vision.⁣ In this episode of our "Ask the Optician" series, David Hutchfield, Head of Professional Services and Qualified Optician, explains how we obtain your PD from selfies and what's the best way for you to send them. bit.ly/3q4

👁️ The earliest clue to optic nerve damage? RAPD – Relative Afferent Pupillary Defect. Quick to miss, crucial to catch. 📌 Save this gem for NEET PG prep. . . #neetpg #ophthofacts #rapd #clinicalsigns #prepladder #medstudenttips #pgprep #medical #medicalstudent #medicalstudy #medicalpreparation | PrepLadder Medical