11 results
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
1) Is visual loss ... caused by AION? ... field: altitudinal defect ... #Rheumatology #Ophthalmology ... #Diagnosis #Algorithm
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Vision Loss - Differential ... Cataracts - Macula: Macular ... Vein Occlusion, Ischemic ... Differential #Diagnosis #causes ... #ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Differential Diagnosis Algorithm ... Optic Neuritis • Ischemic ... Nerve Tumor • Retinal ... • Botulism Pharmacologic ... #Causes #Ophthalmology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
Monocular Vision loss ... disease (anterior ischemic ... Caused by decreased ... Ocular causes - ... Differential #Diagnosis #Ophthalmology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Ocular Adverse Effects ... • GCA • Adie ... vision → visual loss ... • Visual field defect ... differential #diagnosis #ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
angle-closure glaucoma ... Lens dislocation, Ischemic ... Medication side effects ... differential #diagnosis #causes ... #ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Chronic Vision Loss ... Degeneration (Wet, Dry) Retina ... Cup:Disc: • Glaucoma ... - Visual field defects ... #Causes #Ophthalmology
Secondary Glaucoma: Pathogenesis and Clinical Findings
Open-Angle Secondary Glaucoma:
 • Pre-trabecular defect -> Aqueous outflow is obstructed
-> Calcium ion ... nerve head - Ischemic ... > Apoptosis of retinal ... End-stage visual field loss ... pathophysiology #ophthalmology
Primary Open-Angle Glaucoma: Pathogenesis and Clinical Findings
 • Risk factors -> Incr IOP, Incr age, African-American
intra- or peri-ocular ... nerve head - Ischemic ... Progressive VF defects ... End-stage visual field loss ... pathophysiology #ophthalmology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulmonary and renal ... Anorexia • Weight loss ... malaise, weight loss ... claudication, pulse deficits ... tract, and often causes