24 results
Posterior Vitreous Detachment: Pathogenesis and clinical findings

Separation of the cortical vitreous from the neurosensory retina posterior
Pathogenesis and clinical ... the neurosensory retina ... Complete PVD from the retina ... #Detachment #pathophysiology ... #ophthalmology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Pathogenesis and clinical ... ischemia -> Venous ... ischemia causes ... Retinopathy #Diabetes #ophthalmology ... complications #pathophysiology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Pathogenesis and clinical ... edema caused by ischemia ... axons death due to ischemia ... Occlusion #CRAO #pathophysiology ... #ophthalmology
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Cornea D. ... Vitreous Humor ... Retina B. ... Blood Vessels ... EyeExamination #Approach #Ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Vision Loss: • Corneal ... detachment, Vitreous ... or hemorrhage, Retinal ... Lens dislocation, Ischemic ... diagnosis #causes #ophthalmology
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
Pathogenesis and clinical ... membrane reduces blood ... choroidal bed -> Ischemia ... MacularDegeneration #pathophysiology ... #ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Pathogenesis and clinical ... Spheroid mass in vitreous ... spread • Sub-retinal ... Retinoblastoma #pathophysiology ... #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Diagnosis Algorithm Clinical ... Functional • Corneal ... Distortion/Scarring • Vitreous ... Cannot Abduct • Ischemia ... Algorithm #Causes #Ophthalmology
Vitreous Hemorrhage - J. Christian Fox @jchristianfox 
#Clinical #Ophthalmology #POCUS #Ocular #Vitreous #Hemorrhage #Blood #WashingMachine #Sign
Vitreous Hemorrhage ... jchristianfox #Clinical ... #Ophthalmology ... #POCUS #Ocular # ... #Blood #WashingMachine
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Pathogenesis and clinical ... causes fluffy white ischemic ... Elschnig's Spots • Ischemia ... #Retinopathy #pathophysiology ... #ophthalmology