14 results
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Cornea: • Corneal ... Keratitis (i.e. corneal ... Chamber: • Acute ... Uveitis (a.k.a. ... table #causes #ophthalmology
Selected Differential Diagnosis of Eye Pain: Key Features and Management Options

Conjunctiva

 - Bacterial conjunctivitis

 - Viral
- Scleritis Cornea ... keratitis - Corneal ... chambers - Acute ... uveitis Other ... #Eye #Ocular #Pain
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye ... Conjunctivitis • Corneal ... • Keratitis/Corneal ... Scleritis • Uveitis ... Intraocular: • Acute
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Conjunctivitis, corneal ... Blepharitis Cornea ... Unilateral or bilateral symptoms ... • Corneal ulcer ... #diagnosis #ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Impaired extra-ocular ... Proptosis -> Exposes cornea ... -> Corneal drying ... pathophysiology #ophthalmology ... diagnosis #signs #symptoms
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Disease: 1. ... Cornea 5. ... Anterior Chamber ... Trauma Cornea ... Keratitis • Corneal
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Chronic: - Cornea ... pituitary tumor) Acute ... Painful: Keratitis, Corneal ... Abrasion, Anterior ... Uveitis, Hyphema
Onchocerciasis “River Blindness”: Pathogenesis and Ocular Manifestations
Vectorial Transmission
-> Onchocerca volvulus, a parasitic helminth, matures in to
Pathogenesis and Ocular ... Microfilariae enter the eye ... stromal keratitis -> Corneal ... Chorioretinitis • Anterior ... uveitis => Blindness
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Contact lens use • Eye ... rubbing • Atopic diseases ... Bilateral, asymmetric corneal ... Keratoconus Signs / Symptoms ... Rizutti's Sign • Corneal
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
Acute Closed Angle ... • The disease ... -> crowding of ocular ... obstruction • Corneal ... pathophysiology #ophthalmology