Neovascularization of the Disc

• Opaque fibrovascular proliferation tissue often appears on the internal limiting membrane (adjacent to the new vessels) and becomes adherent to the posterior vitreous.
• Contraction of this fibrovascular tissue may lead to:
  • Distortion or dragging of the macula
  • Mild to extensive tractional retinal detachment
  • Avulsion of retinal vessels
  • Preretinal and/or vitreous hemorrhages 

Another case of proliferative diabetic retinopathy with:

• Florid new vessels grow from the surface of the optic disc
• Proliferation of fibroglial tissue that extend to the adjacent retina and vitreous
• Fluorescein angiogram demonstrates continuous dye leakage from the NVD