In view of subsequent events it would be difficult to find a more interesting subject of inquiry than the internal religious and sociological conditions in Samaria at this age.
Its incidence following spine surgeries exceeds that after cardiothoracic surgeries. Various causes attributed to postoperative blindness include ischemic optic neuropathy, central or branch retinal artery occlusion, cortical blindness, and rarely external ocular injury.
Postoperative blindness is a devastating and fortunately rare complication of general anesthesia. The incidence of postoperative blindness is low (Ref. 1). In one retrospective study, only one out of 60965 patients suffered permanent loss of vision. (Ref. 2) Post-operative visual loss typically occurs as an ischemic sequelae of external compression of the globe, hypotension, anemia or embolism (Miller 2010).