What Are Chances Of Recovering Vision After Surgery For Craniosynostosis?

Hi, may I answer your health queries right now ? Please type your query here...i have 4 and half yrs son had a creneosynostosis, he is suffering from visual loss, his coronal , sagital and metopic sutures are fused, doctors told me to operate as soon as possible ,saying due to internal pressure creating vision problem, shd i go for surgery? is there any chances of recovery in visual loss? what are the complications of surgery? Pramod, india