13 results
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis and Miosis - Differential ... Mydriasis • Bilateral ... ), DM, SAH #Mydriasis ... #Miosis #differential ... #diagnosis #ophthalmology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Dilated Pupil - ... Differential Diagnosis ... lntracranial hemorrhage, SAH ... no neurological cause ... diagnosis #neurology
Seesaw Nystagmus 

Sawtooth or seesaw nystagmus is an unusual but characteristic type of nystagmus. Typically there
in the midline, bilaterally ... vestibulo-ocular reflex ... We have varied causes ... The video was provided ... #ophthalmology
Bilateral tonic pupils observed in the patient with Ross syndrome. 
Absence of bilateral pupillary contraction despite
pupils observed ... #tonic #pupils # ... clinical #video ... #ophthalmology # ... #reflex #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
dissociaton; • Usually unilateral ... Young females Differential ... dissociation • Other causes ... #PhysicalExam #neurology ... #ophthalmology
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
occasionally it can occur bilaterally ... in those rare bilateral ... anisocoria #clinical #video ... #ophthalmology ... #physicalexam #neurology
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
clear sign of unilateral ... the pupillary reflex ... regarding the cause ... Pupillary #Defect #Neurology ... #Clinical #Video
Bilateral Internuclear Ophthalmoplegia (BINO)

Bilateral Internuclear ophthalmoplegia in chronic Multiple sclerosis. Note the adduction lag in the
Bilateral Internuclear ... the adduction lag ... Abducting eye nystagmus ... physicalexam #clinical #video ... #neurology #ophthalmology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... dysfunction to the bilateral ... • Gag reflex ... Pupils: • Anisocoria ... #PhysicalExam #neurology
Strabismus - Ocular Misalignment - Differential Diagnosis Algorithm
Phoria:
 • Latent deviation
 • Symmetrical corneal light reflex,
Misalignment - Differential ... corneal light reflex ... large/unreactive pupil ... Diagnosis #Algorithm #Causes ... #Ophthalmology