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.
Marianna Crowley, MD. Postoperative visual loss (POVL) is a rare complication of surgery, with increased prevalence after cardiac, spine, head and neck, and some orthopedic procedures. The most common cause of postoperative ocular injury is corneal abrasion, which may or may not be associated with visual loss. The most common causes of permanent POVL are central retinal artery occlusion, ischemic optic neuropathy, and cerebral vision loss.