Physiology of Vision Lecture-2- Accommodation & Pupillary Light Reflex - SlideServe
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Physiology of Vision Lecture-2- Accommodation & Pupillary Light Reflex - SlideServe
Physiology of Vision Lecture-2- Accommodation & Pupillary Light Reflex. Dr.Salah Elmalik. Objectives. At the end of this lecture the student should be able to: Describe visual acuity & depth perception To know visual pathway and field of vision
Feb 28, 2021
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RAPD - Relative afferent pupillary defect - optic neuritis #drarshadchildspecialist | Dr. Arshad Mehmood - Child Specialist
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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
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Dr.parthasarathy memorial eye hospital on Instagram: "Relative Afferent Pupillary Defect (RAPD), also called a Marcus Gunn pupil, is an important sign doctors check during an eye examination. It occurs when one eye’s optic nerve or severe retinal pathways are not working properly, so the pupils respond unequally to light. When a light is shone in the healthy eye, both pupils constrict normally. But when the light is moved to the affected eye, the pupils paradoxically dilate instead of constricti
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