Vitreous & Retina

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Retinal Vascular Diseases
Optociliary Shunt

  • Acquired disc collateral between the retinal and the ciliary circulations.
  • May present as an important finding of optic nerve sheat meningioma.
  • Commonly develop as a complication of central retinal vein occlusion.
  • Sign:
    • Tortuous vascular loops that start and end on the disc
    • Can be distinguished from disc neovascularization by their:
      • Larger caliber
      • Lack of leakage in fluorescein angiogram

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