It's hypothesized that ischemia takes place in pial plexus and extends to the optic nerve, involving the centripetal blood source which may be influenced in the course of surgical interventions in near proximity towards the optic chiasm[fourteen], or immediate ischemia could come from compact meningeal-dependent arteries for the orbital apex. https://daftar-pion78611109.blog-kids.com/26328580/how-much-you-need-to-expect-you-ll-pay-for-a-good-daftar-pion786