14 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
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Differential Diagnosis ... neuritis, Endophthalmitis ... caustic exposure to eye ... caustic exposure to eye ... #causes #ophthalmology
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 ... involvement: Intractable nausea ... Manifestations #diagnosis ... #neurology #symptoms
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
- Differential Diagnosis ... Retinal Detachment: Symptoms ... detachment • Optic ... movement, retrobulbar pain ... #Ocular #ophthalmology
Mediastinal Mass - Differential Diagnosis Framework

Anterior Mediastinal Mass - 5T’s
 • Thymic neoplasm
 • Teratoma (or
- Differential Diagnosis ... Mediastinal Mass Symptoms ... breath • Chest pain ... blockage) • Eye ... #Differential #Diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Presentation - Systemic Symptoms ... Arthralgias • Eye ... diminished, or tender pulses ... Eye -> retinopathy
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential Diagnosis ... - Autonomic symptoms ... Disorder of the eyes ... #differential #diagnosis ... #ophthalmology