10 results
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
of the limbal cornea ... the peripheral cornea ... fibrosis => • Corneal ... Trachoma #Chlamydia #pathophysiology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology
Anti-IgLON5 Encephalitis - Ocular Examination

Female with 6 months h/o excessive daytime sleepiness, abnormal movements, dysarthria. On
examination- neck drop, choreiform ... movement disorders (chorea ... @bobvarkey #AntiIgLON5
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
of the eye (ex. cornea ... #Hyperopia #pathophysiology
Astigmatism: Pathogenesis and clinical findings
Astigmatism - deviation from spherical curvature of the lens or eye

Refracting power
Refracting power of the cornea ... rule astigmatism: cornea ... rule astigmatism: cornea ... passing through the cornea ... #astigmatism #pathophysiology
Swirling flow of aqueous humor
Aqueous humor flows from the posterior chamber of the eye to the
chamber, behind the cornea ... ophthalmology #pathophysiology
Aqueous Humor Production and Drainage
 • Provides nutrition, removes wastes, and transports neurotransmitters to the avascular
avascular lens and cornea ... Drainage #flow #Pathophysiology
Chemical Eye Injury: Pathogenesis and clinical findings
Exogenous chemical to the eye and/or adnexa
 • Ammonia, sodium
penetration beyond the cornea ... #opthalmology #pathophysiology
Myopia: Pathogenesis and clinical findings

 • Axial length of eye -> Long axial length of the
of the eye (ex. cornea ... vision #Myopia #pathophysiology