13 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 ... #ophthalmology
Selected Differential Diagnosis of Eye Pain: Key Features and Management Options

Conjunctiva

 - Bacterial conjunctivitis

 - Viral
Differential Diagnosis of Eye ... Key Features and Management ... - Scleritis Cornea ... keratitis - Corneal ... #Diagnosis #Ophthalmology
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
Algorithm for the Evaluation of the Red and Painful Eye
1. External
2. Lids and Lashes
3. Conjunctiva and
Red and Painful Eye ... Cornea 5. ... #Differential #Anatomy ... #Ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
all coats of the eye ... Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... #ophthalmology
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Contact lens use • Eye ... Bilateral, asymmetric corneal ... Rizutti's Sign • Corneal ... #Keratoconus #pathophysiology ... #ophthalmology
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 ... #ophthalmology
Swirling flow of aqueous humor
Aqueous humor flows from the posterior chamber of the eye to the
chamber of the eye ... chamber, behind the cornea ... aqueous #humor #ophthalmology ... #pathophysiology ... #Anatomy #flow
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
Axial length of eye ... length of the eye ... (ex. cornea, lens ... #Hyperopia #pathophysiology ... #ophthalmology
Astigmatism: Pathogenesis and clinical findings
Astigmatism - deviation from spherical curvature of the lens or eye

Refracting power
of the lens or eye ... Refracting power of the cornea ... rule astigmatism: cornea ... rule astigmatism: cornea ... passing through the cornea