Voex vein invasion is a feature of
Malignant melanoma of choroid shows extraocular spread along the perivascular spaces of the voex veins or ciliary vessels. Extraocular extension also occurs due to progressive growth of the tumor that may burst through sclera, usually at the limbus Ref. Khurana page no.174
Malignant melanoma
Retinoblastoma
Medulloepithelioma
Optic nerve glioma
Tumors