40 results
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis and Miosis - Differential ... response, Serotonin syndrome ... Miosis: Horner's syndrome ... Robertson pupils), DM, SAH ... #diagnosis #ophthalmology
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Purple Urine Bag ... Syndrome Chronic ... #Syndrome #PUBS ... pathophysiology #clinical ... #photo #differential
Bilateral Lens Dislocation in Marfan syndrome - Slit Lamp Ocular Examination

Dr. Sebastian Vega @oftalmopo

#Bilateral #Lens #Dislocation
Bilateral Lens Dislocation ... in Marfan syndrome ... @oftalmopo #Bilateral ... #PhysicalExam #clinical ... #video #ophthalmology
Causes of Anterior Uveitis - Differential Diagnosis
Anterior Uveitis - 90% of cases of Uveitis
 • Inflammation
Anterior Uveitis - Differential ... Posner-Schlossman Syndrome ... /bilateral up to ... Anterior #Uveitis #Differential ... Diagnosis #Causes #ophthalmology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
and Headache - Differential ... photophobia - Bilateral ... headache: - Bilateral ... subarachnoid hemorrhage (SAH ... #diagnosis #ophthalmology
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Hypertension - Differential ... based on repeat clinic ... • Nephritic syndrome ... • Bilateral RAS ... Secondary #Nephrology #Differential
Horner's Syndrome: Loss of sympathetic nervous system input to (in this case) right eye. 
Note that
Horner's Syndrome ... Images #Clinical ... #Ophthalmology ... #Photo #Horners ... #Syndrome #Ptosis
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
dissociaton; • Usually unilateral ... Holmes-Adie Syndrome ... Young females Differential ... PhysicalExam #neurology #ophthalmology
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Diplopia TIER 1-CRITICAL ... , Orbital apex syndrome ... Miller-Fisher syndrome ... mass #Diplopia #differential ... #diagnosis #ophthalmology
Intermittent Bilateral Exophthalmos (Alternating Exophthalmos and Enophthalmos) on Physical Exam

Observing this patient in silence for a
Intermittent Bilateral ... The syndrome of ... Differentials for ... #clinical #video ... #ophthalmology