17 results
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Impaired extra-ocular ... nerves -> Afferent pupillary ... Orbital #Cellulitis #pathophysiology ... #ophthalmology ... #diagnosis #signs
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
of the weakened capillary ... causes upregulation ... Retinopathy #Diabetes #ophthalmology ... #diagnosis #complications ... #pathophysiology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
- Differential Diagnosis ... Ischemia - ... changes in gaze/eye ... Ocular causes - ... #Ophthalmology
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
normal: - extra-ocular ... position - pupillary ... Periorbital #Cellulitis #pathophysiology ... #ophthalmology ... #diagnosis #signs
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
/ Symptoms / Complications ... detachment • Red Eye ... Retinoblastoma #pathophysiology ... #ophthalmology ... #diagnosis #signs
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
fluffy white ischemic ... #Retinopathy #pathophysiology ... #ophthalmology ... #diagnosis #signs ... #symptoms #complications
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... • Loss of the eye ... #Xeropthalmia #pathophysiology ... #ophthalmology ... #diagnosis #signs
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Anterior ischemic ... Is visual loss caused ... Doppler US : halo sign ... #Rheumatology #Ophthalmology ... #Diagnosis #Algorithm
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
-> crowding of ocular ... damage & blindness Signs ... / Symptoms / Complications ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
desaturation, Scotoma, Ocular ... pain/pain upon eye ... pain • Extra-CNS complications ... Manifestations #diagnosis ... neurology #symptoms #signs