Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/3/2025

Retinal Artery Occlusion in Young Persons

Etiology and Diagnostic Approach

  • In young individuals, retinal artery occlusion is primarily caused by vasculitis and hypercoagulability disorders, requiring immediate evaluation and management to prevent permanent vision loss and systemic complications, according to the American Academy of Ophthalmology 1, 2
  • Vasculitis, including autoimmune conditions like systemic lupus erythematosus, can cause inflammation of retinal vessel walls leading to occlusion or thrombus formation, as noted by the American Academy of Ophthalmology 1, 2
  • The American College of Cardiology recommends checking inflammatory markers, including ESR and CRP, to evaluate for vasculitis in young patients with retinal artery occlusion 3
  • Hypercoagulability testing, including protein C, protein S, antithrombin III, and antiphospholipid antibodies, should be performed in young patients with retinal artery occlusion, as suggested by the American Academy of Ophthalmology 1, 2

Treatment and Prognosis

  • Immediate ophthalmologic examination is essential to confirm diagnosis and rule out other causes of visual loss, according to the American Academy of Ophthalmology 4, 5
  • Acute management requires immediate referral to a stroke center for evaluation and potential intervention within 4.5-6 hours of symptom onset, as recommended by the American Heart Association 4, 5
  • Treatment of underlying conditions, such as vasculitis or hypercoagulable states, is essential to prevent recurrence, as noted by the American Academy of Ophthalmology 1, 2
  • Visual prognosis is generally poor without intervention, with fewer than 20% of patients regaining functional visual acuity in the affected eye, according to the American Academy of Ophthalmology 4
  • Neovascular complications, including vitreous hemorrhage or neovascular glaucoma, may develop and require treatment, as reported by the American Academy of Ophthalmology 1, 3