12 results
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
are many different ... causes of Facial ... the commonest cause ... Loss of Corneal Reflex ... #Neurology #Signs
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Diagnosis: • CN Ill Palsy ... dissociation • Other causes ... of tonic pupil ... #PhysicalExam #neurology ... #ophthalmology
Afferent Pupillary Defect

An afferent pupillary defect passing through its timeline. The pupil that does not react
Afferent Pupillary ... The pupil that does ... the consensual reflex ... clinical #video #neurology ... #ophthalmology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Fixed Dilated Pupil ... cranial nerve) Palsy ... lntracranial hemorrhage, SAH ... no neurological cause ... differential #diagnosis #neurology
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Marcus Gunn Pupil ... pupillary light reflex ... Optic nerve* (main cause ... #Marcus #Gunn #Pupil ... #Defect #RAPD #neurology
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Diagnosis Framework Causes ... glaucoma, Adie's tonic ... ), DM, SAH #Mydriasis ... differential #diagnosis #ophthalmology ... #causes
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
Marcus Gunn's pupils ... the pupillary reflex ... regarding the cause ... Pupillary #Defect #Neurology ... Clinical #Video #Pupils
Bilateral tonic pupils observed in the patient with Ross syndrome. 
Absence of bilateral pupillary contraction despite
Bilateral tonic ... #tonic #pupils # ... clinical #video #ophthalmology ... syndrome #bilateral #reflex ... #neurology #absent
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
Adie’s Tonic Pupil ... Adie’s tonic pupil ... oculomotor nerve palsy ... clinical #video #ophthalmology ... #physicalexam #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• CN VI palsy ... • Neurologic ... a mass as the cause ... large/unreactive pupil ... #Ophthalmology