Optic nerve damage leads to permanent vision loss because the central nervous system does not regenerate.

“so in the case of glaucoma how do we get ahead of that glaucoma has two major risk factors one is increasing age there are actually infantile and pediatric glaucomas unfortunately and those can be much more aggressive much more damaging when they present so early in kids uh in babies and in children most of the kind of run-of-the Mill glaucoma usually Pres presents in adulthood and even in in the Aging adult so much more common after 50 or 60 or 70 years old increasing the other main risk factor for glaucoma is increasing eye pressure”