22 results
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Red Eye - Differential ... hemorrhage • Dry eyes ... Cornea: • Corneal ... Keratitis (i.e. corneal ... Differential #Diagnosis #table
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... conjunctiva and cornea ... blindness) • Corneal ... dryness of the cornea ... #Xeropthalmia #pathophysiology
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
Transmission -> Eye-seeking ... of the limbal cornea ... the peripheral cornea ... fibrosis => • Corneal ... Trachoma #Chlamydia #pathophysiology
Eye Anatomy and Key Diagnoses Rule of 2s - Anterior Eye - Utilize slit lamp exam
Eye Anatomy and ... 2s - Anterior Eye ... Ophth #Anterior #Eye ... RuleOf2s #RuleOfTwos #Table ... #Conjunctiva #Cornea
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
all coats of the eye ... interior of the eye ... Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Red Eye - Differential ... Conjunctivitis, corneal ... Blepharitis Cornea ... Questions to Ask ... • Corneal ulcer
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
syndrome • Down, Turner ... Contact lens use • Eye ... Bilateral, asymmetric corneal ... Rizutti's Sign • Corneal ... #Keratoconus #pathophysiology
Amblyopia - Lazy Eye - Differential Diagnosis Algorithm
Deprivational - Obstruction of Visual Axis:
 • Ptosis
 •
Amblyopia - Lazy Eye ... • Congenital Corneal ... responsive to treatment
Onchocerciasis “River Blindness”: Pathogenesis and Ocular Manifestations
Vectorial Transmission
-> Onchocerca volvulus, a parasitic helminth, matures in to
Microfilariae enter the eye ... stromal keratitis -> Corneal ... RiverBlindness #pathophysiology
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
Axial length of eye ... length of the eye ... structures of the eye ... (ex. cornea, lens ... #Hyperopia #pathophysiology