9 results
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Endopthalmitis: ... periorbital edema -> Pain ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Diagnosis Framework ... : • Optic neuritis ... Unilateral or bilateral symptoms ... #differential #diagnosis ... #ophthalmology
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 ... cellulitis • Endophthalmitis ... pain (with or without ... #ophthalmology ... #causes
Fusarium Eye Infections - Keratitis and Endophthalmitis
Fungal Keratitis is an infection of the cornea that is
most commonly caused ... pain & redness, ... pain can be minimal ... #ocular #ophthalmology ... #diagnosis
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Manifestations • Optic ... /pain upon eye movement ... Manifestations #diagnosis ... #neurology #symptoms ... #signs
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential Diagnosis ... - Autonomic symptoms ... meningeal irritation signs ... Disorder of the eyes ... #ophthalmology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Presentation - Systemic Symptoms ... purpura: strong sign ... diminished, or tender pulses ... Eye -> retinopathy
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
those coming off aorta ... systemic sx + signs ... claudication: pain ... required +/- prompt ophthalmology ... #Symptoms #Diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Arthralgias • Eye ... purpura: Strong sign ... < 30 years • Aorta ... claudication, pulse ... tract, and often causes