16 results
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
- Differential Diagnosis ... Mydriasis • Bilateral ... Horner's syndrome, Posterior ... #differential #diagnosis ... #ophthalmology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Dilated Pupil - ... Differential Diagnosis ... SAH, tumor • Posterior ... no neurological cause ... Fixed #Dilated #Pupil
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
a neurological disorder ... It is caused by ... infection which causes ... PhysicalExam #clinical #video ... #ophthalmology
Causes of Anterior Uveitis - Differential Diagnosis
Anterior Uveitis - 90% of cases of Uveitis
 • Inflammation
Causes of Anterior ... - Differential Diagnosis ... anterior uveitis • Posterior-choroid ... /bilateral up to ... #Causes #ophthalmology
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
- Differential Diagnosis ... (fixed dilated pupil ... #Differential #Diagnosis ... #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.
occasionally it can occur bilaterally ... in those rare bilateral ... cases. ... anisocoria #clinical #video ... #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
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
- Differential Diagnosis ... GCA • Adie’s pupil ... • Systemic disorder ... #ophthalmology ... #causes
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
- Differential Diagnosis ... Ophthalmic: • Posterior ... Occipital lobe disorders ... #Differential #Diagnosis ... #Ocular #ophthalmology