<prompt> Most common Non Hodgkins lymphoma of orbit:B cellT cellNK cellPlasma cell  <response>: Non Hodgkins lymphoma of the B cell lineage is the most common type in the orbit ..Eyelid ,conjuctival,and orbit tumors. The most frequently encountered primary neoplasms of the orbit are vascular in origin like the capillary hemangioma, the lymphangioma and the encapsulated cavernous hemangioma Mc intaocular tumour in children:Retinoblastoma Mc intraocular tumour in adults: choroidal malignant melanoma. ref Robbins 8e p1348, eyelid,conjuctival, and orbital tumour 2e p746 