Vitreous & Retina
















Hereditary / Congenital
Bilateral prepapillary vascular loops.

  • Can be arterial or venous.
  • Usually congenital and most commonly unilateral.
  • Clinical features:
    • Usually gives no symptoms, unless it is complicated with vascular obstruction
    • Signs:
      • May appear as simple hairpin loops, in a figure eight, or in a corkscrew configuration
      • The loops usually project from the optic disc to the vitreous cavity and return to the optic disc
      • Can be associated with persistent posterior hyaloid vessel where the loops extend into Cloquet's canal

Copyright © 2003 Digital Reference of Ophthalmology. All rights reserved. All material published on this website is the property of Digital Reference of Ophthalmology and cannot be duplicated without permission.
Home Search Home Search