26 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
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,
Bilateral, asymmetric corneal ... > Keratoconus Signs ... • Rizutti's Sign ... #Keratoconus #pathophysiology ... #ophthalmology
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
Hutchinson's Sign
 - A sign of ophthalmic zoster
  - Multiple crusted vesicles in distribution of
Hutchinson's Sign ... - High risk of ocular ... complications so consult ophthalmology ... #clinical #photo ... #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
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 #
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
Age Related Macular ... Amsler grid) - Macular ... RPE -> Loss of photo ... MacularDegeneration #pathophysiology ... #ophthalmology
Vitreous Hemorrhage - J. Christian Fox @jchristianfox 
#Clinical #Ophthalmology #POCUS #Ocular #Vitreous #Hemorrhage #Blood #WashingMachine #Sign
jchristianfox #Clinical #Ophthalmology ... #POCUS #Ocular ... WashingMachine #Sign
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