11 results
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
more than 7mm • Unilateral ... Mydriasis • Bilateral ... less than 2mm • Unilateral ... , uveitis) • Bilateral ... #ophthalmology
Causes of Anterior Uveitis - Differential Diagnosis
Anterior Uveitis - 90% of cases of Uveitis
 • Inflammation
retina or choroid Unilateral ... Sarcoid, JIA Bilateral ... • Idiopathic: Unilateral ... /bilateral up to ... #Causes #ophthalmology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Unilateral Fixed ... Dilated Pupil - ... SAH, tumor • Posterior ... no neurological cause ... abnormalities #Unilateral
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Unilateral Acute ... (fixed dilated pupil ... • Glaucoma #Unilateral ... #Algorithm #Causes ... #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 ... females Differential Diagnosis ... dissociation • Other causes ... PhysicalExam #neurology #ophthalmology
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
It is generally unilateral ... occasionally it can occur bilaterally ... in those rare bilateral ... anisocoria #clinical #video ... #ophthalmology
Intermittent Bilateral Exophthalmos (Alternating Exophthalmos and Enophthalmos) on Physical Exam

Observing this patient in silence for a
Intermittent Bilateral ... usually describe a unilateral ... this patient- bilateral ... #Alternating #Bilateral ... #ophthalmology
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
Symptoms: Sudden • Unilateral ... colored lights, bilateral ... hypotension - bilateral ... Occipital lobe disorders ... #Ocular #ophthalmology
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
Marcus Gunn's pupils ... clear sign of unilateral ... very sensitive diagnostic ... regarding the cause ... Neurology #Clinical #Video
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
- Differential Diagnosis ... , anterior and posterior ... Questions to Ask: • Unilateral ... or bilateral symptoms ... #ophthalmology