A 15 year old boy presented with osmotic symptoms and photopsia. He had short term memory impairment, visual hallucinations and headache. His RBS was 474mg/dl, HbA1c - 9.4% and GAD-65 > 2000IU/ml. MRI-Brain and CSF study were normal. Digital EEG was suggestive of bilateral hemispheric occipital lobe seizures. He responded well to insulin and anti-epileptic medications.