6 results
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
inflammation of all ... -> Corneal drying ... #Cellulitis #pathophysiology ... #ophthalmology ... #diagnosis #signs
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
conjunctiva -> Goblet cell ... production -> Corneal ... #Xeropthalmia #pathophysiology ... #ophthalmology ... #diagnosis #signs
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs ... red reflex) • Orbital ... Retinoblastoma #pathophysiology ... #ophthalmology ... #diagnosis #signs
Optic Neuritis - Diagnosis and Management
 • Epidemiology: Female (75%), 18-50 years,
caucasian
 • Symptoms: Moderate visual
Diagnosis and Management ... /10), Moderate orbital ... Unilateral • Signs ... : RAPD (Marcus Gunn ... #rheumatology #ophthalmology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... 95% of cases (Cornelia ... required +/- prompt ophthalmology ... GCA #Temporal #Signs ... Symptoms #Diagnosis #Management
Chemical Eye Injury: Pathogenesis and clinical findings
Exogenous chemical to the eye and/or adnexa
 • Ammonia, sodium
following initial management ... penetration beyond the cornea ... breakdown of normal cell ... #Eye #Ocular #opthalmology ... #pathophysiology