Optic Nerve Tumor

21 year old male: Presents with a history of Von Hippel-Lindau Syndrome, diagnosed in 2005 affecting his left Optic Nerve, Brain, Spine, Kidney and Pancreas. He has undergone Laser for Retinal Hemangioma measuring 2/3-4/5DD -vs_ 1/3DD when originally diagnosed. However his visual acuity remains good 20/25. Patient has also undergone Neurosurgery in 2005 and Spinal cord in 2006. Recent MRI of spinal cord hemangioma showed stable tumors.