56 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Localizing Extraocular Movement ... #Extraocular #Movement ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
dissociaton; • Usually unilateral ... Diagnosis: • CN Ill Palsy ... abnormal extraocular movements ... #PhysicalExam #neurology ... #ophthalmology
Bell's Phenomenon (Palpebral-Oculogyric Reflex) on Physical Exam

Upward movement of the eyeball when the eyelids are forcefully
Palpebral-Oculogyric Reflex ... Exam Upward movement ... patient with Bell's palsy ... clinical #video #neurology ... #palsy
Traumatic Lateral Rectus Palsy on Ocular Examination

Impaired left lateral eye movement with left gaze after MVA.
Rectus Palsy on ... Ocular Examination ... eye movement with ... clinical #video #neurology ... #ophthalmology
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Bell's palsy There ... of Facial Nerve Palsy ... commonest cause of unilateral ... Loss of Corneal Reflex ... #Neurology #Signs
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Unilateral Fixed ... Dilated Pupil - ... cranial nerve) Palsy ... Fixed #Dilated #Pupil ... differential #diagnosis #neurology
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
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
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
left 6th nerve palsy ... retraction #nystagmus #ocular ... clinical #video #neurology ... #ophthalmology