12 results
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... Occlusion (CRAO) Clinical ... vision • Pale retina ... • Cherry red spot ... • Immediate ophthalmology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Pathogenesis and clinical ... into the deeper retinal ... -> Cotton-wool spots ... to significant retinal ... macula, and/or retina
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... Pathogenesis and clinical ... (CRAO) • The retina ... -> Cherry-red spot ... pathophysiology #ophthalmology
Roth spots: a red hemorrhagic lesion of the retina with a characteristic white center representing fibrin-platelet
Roth spots: a red ... lesion of the retina ... Endocarditis #Infective #Clinical ... #Fundoscopy #Ophthalmology
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Cotton Wool Spots ... axoplasm into retina ... #CottonWool #Spots ... #fundoscopy #ophthalmology ... #Clinical
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
nervefiber layer -> Retinal ... of the terminal retinal ... lesions in the inner retinal ... -> Cotton-wool Spots ... -> Elschnig's Spots
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 ... blood under the retina ... - Faded/blind spots
Cotton Wool Spots- "In otherwise healthy patients, the observance of a cotton wool spot (CWS) is
Cotton Wool Spots ... a cotton wool spot ... single cotton wool spot ... #retina #Ophthalmology ... #photo #hypertensive
Hypertensive Retinopathy on Fundoscopy Ocular Examination

Patient with grade IV hypertensive retinopathy. Papilledema, hemorrhages, and cotton-wool spots
and cotton-wool spots ... Retinopathy #cottonwool #Retina ... #PhysicalExam #clinical ... #video #ophthalmology
Intraocular Infection with a Trematode - Slit-lamp examination of the right eye revealed corneal edema, blood
chamber, multiple iris ... with zones of retinal ... #Clinical #Ophth ... FlukeInfection #SlitLamp ... #NEJM