113 results
Pupils: Localization in Coma
 • Small, Reactive pupils: Metabolic coma.
 • Unilateral Fixed, dilated pupil :
Unilateral Fixed ... • Bilateral, Large ... • Bilateral, midposition ... #Coma #Neurology ... #differential #
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis and Miosis - Differential ... Mydriasis • Bilateral ... , uveitis) • Bilateral ... Mydriasis #Miosis #differential ... #diagnosis #ophthalmology
Pupillary Abnormalities  Overview
 - Unequal Pupils (anisocoria)
 - Tonic pupil (Adie's pupil)
 - OculomotorNerve (CN
Overview - Unequal Pupils ... (Adie's pupil) ... - Equal Pupils ... #Diagnosis #Ophthalmology ... Abnormalities #Differential
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
Evaluation Flow Chart - Differential ... Measure pupil size ... noted, re-measure pupil ... Evaluation #Algorithm #Differential ... #Diagnosis #Ophthalmology
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
Argyll Robertson Pupil ... small (1-2mm) pupil ... intact) - Usually bilateral ... #neurology #diagnosis ... #ophthalmology
Argyll-Robertson Pupil on Physical Exam
Small (myotic), irregular pupil that do not react to light but do
Argyll-Robertson Pupil ... myotic), irregular pupil ... fibers of the light reflex ... clinical #video #neurology ... #ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... dissociaton; • Usually unilateral ... Young females Differential ... #PhysicalExam #neurology ... #ophthalmology
Bilateral tonic pupils observed in the patient with Ross syndrome. 
Absence of bilateral pupillary contraction despite
Bilateral tonic ... pupils observed ... #tonic #pupils # ... clinical #video #ophthalmology ... #reflex #neurology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Dilated Pupil - ... Differential Diagnosis ... Fixed #Dilated #Pupil ... #differential # ... diagnosis #neurology
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Unilateral Acute ... Vision Loss - Differential ... (fixed dilated pupil ... Acute #VisionLoss #Differential ... Algorithm #Causes #Ophthalmology