30 results
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
- Definition, Causes ... inhabitants 3rd leading cause ... edema, secondary glaucoma ... and retinal ischemia ... Differential #Diagnosis #Ophthalmology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
Differential Diagnosis Ischemia ... disease (anterior ischemic ... Caused by decreased ... Ocular causes - ... Differential #Diagnosis #Ophthalmology
Pathological Optic Disc Cupping

Note cup-to-disc ratio at least 0.8 (physiologic limit of 0.5).

Thinning of optic disc
Usual cause is glaucoma ... Glaucoma causes ... Cupping #fundoscopy #ophthalmology ... #Clinical
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Nerve / Track: Glaucoma ... Endophthalmitis, Glaucoma ... Vein Occlusion, Ischemic ... Differential #Diagnosis #causes ... #ophthalmology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Pathogenesis and clinical ... re-vascularize the ischemic ... causes upregulation ... Retinopathy #Diabetes #ophthalmology ... complications #pathophysiology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
angle-closure glaucoma ... Lens dislocation, Ischemic ... differential #diagnosis #causes ... #ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Pathogenesis and clinical ... fluffy white ischemic ... Elschnig's Spots • Ischemia ... #Retinopathy #pathophysiology ... #ophthalmology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
Pathogenesis and Clinical ... • Significant cause ... most frequent cause ... #pathophysiology ... #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Diagnosis Algorithm Clinical ... a mass as the cause ... Cannot Abduct • Ischemia ... unreactive pupil • Ischemia ... #Ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Pathogenesis and clinical ... • Secondary glaucoma ... Retinoblastoma #pathophysiology ... #ophthalmology