Ophthalmology Diseases of orbit, Lids and lacrimal apparatus 0b8c566a Voex vein invasion is commonly seen in A Retinoblastoma B malignant Melanoma C Optic nerve glioma D Medula epithelioma High-Yield Explanation Voex vein invasion is common in malignant Melanoma where does optic nerve invation is common in retinoblastoma Refer khurana 6/e p 420