I have ptc aka iih. Was on Diamox 1250 and Lasix (furosemide) 80 quit working. Now since sept '11 I have 2 failed vp, 1 failed LP shunt wants to do vp again? Sugg?

Optic nerve. You can also see a neuro-opthalmologist and try optic nerve fenestration if your vision is a problem. Weight reduction surgery should be considered also if that is relevant.