15 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... • Loss of the eye ... non-functional eye ... #Xeropthalmia #pathophysiology ... #ophthalmology
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
Transmission -> Eye-seeking ... from nasal or ocular ... Lubrication • Dry eye ... Trachoma #Chlamydia #pathophysiology ... #ophthalmology
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye ... Differential Diagnosis Algorithm ... Orbital Cellulitis Ocular ... • Keratitis/Corneal ... #Causes #Ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
- Impinges on ocular ... Impaired extra-ocular ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... #ophthalmology
Swirling flow of aqueous humor
Aqueous humor flows from the posterior chamber of the eye to the
Swirling flow of ... chamber of the eye ... chamber, behind the cornea ... aqueous #humor #ophthalmology ... #pathophysiology
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 ... RiverBlindness #pathophysiology ... #ophthalmology
Strabismus - Ocular Misalignment - Differential Diagnosis Algorithm
Phoria:
 • Latent deviation
 • Symmetrical corneal light reflex,
Strabismus - Ocular ... Differential Diagnosis Algorithm ... • Symmetrical corneal ... #Strabismus #Ocular ... #Causes #Ophthalmology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
-> crowding of ocular ... resistance to the flow ... obstruction • Corneal ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology
Aqueous Humor Production and Drainage
 • Provides nutrition, removes wastes, and transports neurotransmitters to the avascular
avascular lens and cornea ... structural integrity of ocular ... ciliary body -> Flows ... #Pathophysiology ... #ophthalmology
Astigmatism: Pathogenesis and clinical findings
Astigmatism - deviation from spherical curvature of the lens or eye

Refracting power
of the lens or eye ... rule astigmatism: cornea ... • Headache • Ocular ... #astigmatism #pathophysiology ... #ophthalmology