17 results
Central Retinal Vein Occlusion (CRVO): Pathogenesis and clinical findings

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
Central Retinal ... Pathogenesis and clinical ... Occlusion #CRVO #pathophysiology ... #ophthalmology ... #diagnosis #signs
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... Pathogenesis and clinical ... => Central Retinal ... #ophthalmology ... #diagnosis #signs
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal ... retinal vein (CRV ... vision loss due to retinal ... #Ophthalmology ... #Retinal #Vein
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
Central retinal ... Positive "spot sign ... " on Ocular Ultrasound ... Occlusion #Embolus #Clinical ... POCUS #Ocular #Ultrasound
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Pathogenesis and clinical ... absent or partial retinal ... spread • Sub-retinal ... visual acuity - Retinal ... #ophthalmology
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
from choroid to retina ... Nutrients cannot reach retina ... products from retina ... circulation into the retina ... blood under the retina
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
Pathogenesis and clinical ... point behind the retina ... focused onto the retina ... focused behind the retina ... #ophthalmology
Central Retinal Artery Occlusion (CRAO) on Ocular POCUS

This patient is likely presented with painless vision loss.
Central Retinal ... intra-arterial spot sign ... retinal artery ... #Retinal #Artery ... #ultrasound #ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Pathogenesis and clinical ... hemorrhages in the inner retina ... nervefiber layer -> Retinal ... of the terminal retinal ... lesions in the inner retinal
Astigmatism: Pathogenesis and clinical findings
Astigmatism - deviation from spherical curvature of the lens or eye

Refracting power
Pathogenesis and clinical ... rule astigmatism: cornea ... of focus on the retina ... #astigmatism #pathophysiology ... #ophthalmology