Neovascularization of iris is frequently seen in all/except –

Causes of rubeosis iridis (neovascularization of iris) Common : Diabetic retinopathy (most common cause), central retinal vein occlusion, Eale's disease, siclde-cell retinopathy. Rare causes : Long standing retinal detachment, central retinal artery occlusion, intraocular inflammation (uveitis), intraocular tumors (choroidal melanoma, retinoblastoma), radiation retinopathy, ocular ischemic syndrome (carotid artery disease, carotid-cavernous fistula).