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.
Glaucoma. Glaucoma is another of the leading causes of blindness in the United States, perhaps accounting for one in every seven or eight cases. In this condition, the transparent fluid inside the forward part of the eye does not drain normally, and excess pressure is built up within the eye.