24 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... production -> Corneal ... #Xeropthalmia #pathophysiology ... #ophthalmology ... #diagnosis #signs
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Impaired extra-ocular ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... #ophthalmology ... #diagnosis #signs
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
from nasal or ocular ... of the limbal cornea ... the peripheral cornea ... Trachoma #Chlamydia #pathophysiology ... #ophthalmology
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
> Keratoconus Signs ... • Rizutti's Sign ... • Corneal Opacities ... #Keratoconus #pathophysiology ... #ophthalmology
Onchocerciasis “River Blindness”: Pathogenesis and Ocular Manifestations
Vectorial Transmission
-> Onchocerca volvulus, a parasitic helminth, matures in to
Pathogenesis and Ocular ... stromal keratitis -> Corneal ... RiverBlindness #pathophysiology ... #ophthalmology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
-> crowding of ocular ... damage & blindness Signs ... obstruction • Corneal ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
normal: - extra-ocular ... Periorbital #Cellulitis #pathophysiology ... #ophthalmology ... #diagnosis #signs
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
red-brown coloured -> Copper ... #Retinopathy #pathophysiology ... #ophthalmology ... #diagnosis #signs
Retrobulbar Hematoma and Guitar Pick Sign on Ocular POCUS
Which of the following is NOT present in
and Guitar Pick Sign ... on Ocular POCUS ... hypoechoic guitar pick sign ... #Ocular #POCUS ... #Ophthalmology #
Astigmatism: Pathogenesis and clinical findings
Astigmatism - deviation from spherical curvature of the lens or eye

Refracting power
rule astigmatism: cornea ... different points of focus ... • Headache • Ocular ... #astigmatism #pathophysiology ... #ophthalmology