16 results
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Chemosis: Edema ... Endopthalmitis: ... > Conjunctival chemosis ... Panopthalmitis -> Endopthalmitis ... Orbital #Cellulitis #pathophysiology
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Hemorrhage • Conjunctivitis ... Closure Glaucoma • Endophthalmitis
Gonococcal Ophthalmia Neonatorum (GON) - Figure 1

A 4-day-old girl was brought to the emergency department (ED)
Chemosis and injection ... Gonorrhea #Gonococcal #Conjunctivitis
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Common Causes: • Conjunctivitis ... keratitis • Acute endophthalmitis ... Conjunctiva: • Conjunctivitis ... • End stage endophthalmitis ... #Red #eye #Conjunctivitis
Primary Hyperthyroidism - Pathogenesis and Clinical Findings

Note: Although rare, gestational diseases can lead to thyrotoxicosis due
retraction - Conjunctivitis ... endocrinology #pathophysiology
Graves’ Disease: Pathogenesis and Clinical Findings
B & T lymphocyte mediated autoimmunity attack TSH receptor -> Continuous
- Conjunctiva: conjunctivitis ... GravesDisease #pathophysiology
Endophthalmitis: Infection within the eye. This most commonly occurs via introduction of microbes from the outside
(e.g.
Endophthalmitis: ... Note the profound chemosis ... Ophthalmology #Endophthalmitis ... #Chemosis #Photo
Gonococcal conjunctivitis: ocular emergency; risk perforation of cornea 
Clinical features: purulent discharge +++, chemosis (conjunctival oedema),
Gonococcal conjunctivitis ... discharge +++, chemosis ... Gonorrhea #Gonococcal #Conjunctivitis
Reactive Arthritis
 • Inflammation of joints (commonly large joints)
    - Asymmetric Oligoarthritis: Joint
conjunctiva) -> Conjunctivitis ... ReactiveArthritis #pathophysiology
Hypopyon: A white layer of inflammatory cells which settles along the bottom of the anterior chamber
the result of endophthalmitis ... Note the profound chemosis ... Photo #Hypopyon #Endophthalmitis ... #Chemosis #UCSDH