Vitreous & Retina
















Hereditary / Congenital
Chorioretinal Coloboma

  • Congenital lesion, characterized by absence of normal retina, RPE and choroid.
  • Clinical features:
    • Symptoms: depend on the location of the coloboma and ocular structures involved.
    • Signs:
      • Typically located in inferotemporal area
      • Can be unilateral or bilateral
      • May extend and involve the macula
      • Maybe associate with coloboma of other ocular structures along the embryonic fissure i.e. optic nerve, iris or lid
      • Choroidal neovascularization may develop at the margin of the coloboma
    • Associated with higher incidence of retina detachment.
  • Management: surgical retinal reattachment procedures include scleral buckling, vitrectomy and silicone oil tamponade.

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