224 results
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
into the deeper retinal ... -> Cotton-wool spots ... to significant retinal ... • Localized retinal ... Retinopathy #Diabetes #ophthalmology
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
Microscopic collagen fibers ... tend to clump and ... Patients As: • Black spots ... the vision • Spots ... Diagnosis #Ocular #ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
: Pathogenesis and ... blood viscosity and ... -> Cherry-red spot ... Ganglion cells and ... pathophysiology #ophthalmology
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Cotton Wool Spots ... axoplasm into retina ... disorders, viruses, and ... #CottonWool #Spots ... #fundoscopy #ophthalmology
Jaccoud's Arthropathy on Physical Examination

Deforming non-erosive arthropathy characterized by ulnar deviation of the second to fifth
second to fifth fingers ... is dependent on resting ... hand position and ... #Subluxation #Finger ... Ulnar #clinical #video
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 ... -> Cotton-wool Spots ... -> Elschnig's Spots ... pathophysiology #ophthalmology
Myopic Retinopathy Fundoscopy Ocular Examination

Posterior staphylomas and patchy chorioretinal atrophy.

Dr. Sebastian Vega @oftalmopo

#Myopic #Retinopathy #staphyloma #atrophy
Posterior staphylomas and ... staphyloma #atrophy #Retina ... PhysicalExam #clinical #video ... #ophthalmology
Myelinated retinal nerve fibers (MRNF) on Fundoscopy Ocular Examination

They are retinal nerve fibers prior to the
Myelinated retinal ... congenital, benign and ... myopia, amblyopia and ... PhysicalExam #clinical #video ... #ophthalmology
Retinal Detachment, Dialysis and Cyst Fundoscopy Ocular Examination

Inferotemporal retinal detachment, retinal dialysis and intraretinal cyst.

Dr. Sebastian
Retinal Detachment ... , Dialysis and Cyst ... dialysis and intraretinal ... PhysicalExam #clinical #video ... #ophthalmology
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
from choroid to retina ... products from retina ... blood under the retina ... - Faded/blind spots ... pathophysiology #ophthalmology