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 vision loss (POVL) is a rare but unexpected and devastating complicationthat is most often associated with cardiac, spine, and head and neck operations.Residual effects of anesthetic agents may mask the initial signs and symptoms of visual loss in the postoperative period.