42 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... and cornea, typically ... blindness) • Corneal ... dryness of the cornea ... #ophthalmology
Selected Differential Diagnosis of Eye Pain: Key Features and Management Options

Conjunctiva

 - Bacterial conjunctivitis

 - Viral
Management Options Conjunctiva ... - Scleritis Cornea ... - Corneal abrasion ... - Viral keratitis ... #Diagnosis #Ophthalmology
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Periorbital cellulitis Conjunctiva ... hemorrhage • Dry eyes Cornea ... : • Corneal abrasion ... Foreign body • Keratitis ... (i.e. corneal inflammation
Filamentary Keratitis- Slit lamp examination reveals filaments (‘mucoepithelioid” strands) adherent to the corneal surface. The filaments
Filamentary Keratitis ... adherent to the corneal ... #filament #keratitis ... #Ophthalmology ... #photo #cornea
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
of the limbal cornea ... the peripheral cornea ... fibrosis => • Corneal ... Trachoma #Chlamydia #pathophysiology ... #ophthalmology
Onchocerciasis “River Blindness”: Pathogenesis and Ocular Manifestations
Vectorial Transmission
-> Onchocerca volvulus, a parasitic helminth, matures in to
directly from the conjunctiva ... -> Corneal opacity ... (sclerosing keratitis ... RiverBlindness #pathophysiology ... #ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
of the bulbar conjunctiva ... Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... #ophthalmology
Figure 1: Corneal ring infiltrate in a patient with #Acanthamoeba #keratitis.  Acanthamoeba keratitis is a
Figure 1: Corneal ... #Acanthamoeba #keratitis ... Acanthamoeba keratitis ... infection of the cornea ... clinical #photo #Ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Chronic: - Cornea ... Unilateral, Painful: Keratitis ... , Corneal Abrasion ... Bilateral, Painful: Keratitis ... Diagnosis #causes #ophthalmology
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Surface Injury: • Corneal ... • Ultraviolet Keratitis ... Laceration • Conjunctiva ... hemorrhage • Cornea ... Algorithm #Causes #Ophthalmology