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.
Risks. 1  Blindness and irreversible eye damage. In rare cases, errors during surgery (like the malfunctioning of the laser device) or complications after surgery (for example, inflammation) may cause irreversible damage to the eye, including permanent blindness. 2  Vision loss.