17 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
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
Pathogenesis and clinical ... of the limbal cornea ... the peripheral cornea ... fibrosis => • Corneal ... #ophthalmology
Ocular Rosacea - Slit-lamp examination revealed telangiectasia with hyperemia of the eyelid margins, conjunctival hyperemia, and
neovascularization of the cornea ... corneal infiltrate ... (Panel B) #Clinical ... #Ophthalmology ... Ocular #Rosacea #Corneal
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Pathogenesis and Clinical ... Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... #ophthalmology
Onchocerciasis “River Blindness”: Pathogenesis and Ocular Manifestations
Vectorial Transmission
-> Onchocerca volvulus, a parasitic helminth, matures in to
Microfilariae enter the eye ... directly from the conjunctiva ... stromal keratitis -> Corneal ... RiverBlindness #pathophysiology ... #ophthalmology
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Pathogenesis and Clinical ... Contact lens use • Eye ... Bilateral, asymmetric corneal ... Rizutti's Sign • Corneal ... #ophthalmology
Eyelid Pyogenic Granuloma

Pyogenic granulomas are benign vascular proliferations. The most common areas affected around the eyes
affected around the eyes ... are the eyelids, conjunctiva ... and rarely the cornea ... Granuloma #Eyelid #clinical ... physicalexam #ocular #ophthalmology
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
Pathogenesis and clinical ... Axial length of 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
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Diagnosis Algorithm Clinical ... • Examine both eyes ... • Neurologic ... Functional • Corneal ... Algorithm #Causes #Ophthalmology