25 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... production -> Corneal ... conjunctiva and cornea ... blindness) • Corneal ... dryness of the cornea
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye ... Differential Diagnosis Algorithm ... Orbital Cellulitis Ocular ... Conjunctivitis • Corneal ... • Keratitis/Corneal
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 ... fibrosis => • Corneal ... Trachoma #Chlamydia #pathophysiology
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Traumatic Red Eye ... Differential Diagnosis Algorithm ... Surface Injury: • Corneal ... hemorrhage • Cornea ... Differential #Diagnosis #Algorithm
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 ... Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology
Ocular Ultrasound Pocketcard
Painless Vision Loss
 • Retinal Detachment 
 • Posterior Vitreous Detachment 
 • Vitreous
Ocular Ultrasound ... Hypertension) Traumatic ... @Pocus101 #Ocular ... #Ultrasound #pocus ... differential #diagnosis #radiology
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
at the exposed corners ... HandXray #Diagnosis #Radiology ... #Clinical #Pathophysiology
Astigmatism: Pathogenesis and clinical findings
Astigmatism - deviation from spherical curvature of the lens or eye

Refracting power
Refracting power of the cornea ... rule astigmatism: cornea ... rule astigmatism: cornea ... passing through the cornea ... • Headache • Ocular
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
Proximal aorta transverse view caudal to Figure 3. Note inferior vena cava (ivc), aorta (ao), anterior
(ao), anterior cortex ... sign) #Clinical #Radiology ... #POCUS #Aorta #