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.
The major causes of blindness in Aboriginal adults were revealed as cataracts (32 per cent), followed by refractive error (14 per cent), optic atrophy (14 per cent), trachoma (nine per cent) and diabetic eye disease (nine per cent). 9%), followed by optic atrophy and congenital glaucoma (see Table 3).