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.
In these patients, post-operative inflammation promotes the leakage of fluid from tiny blood vessels in the macula. Other common causes of CME include diabetic retinopathy, wet age-related macular degeneration, uveitis, and retinal vascular disease. CME can also occur due to mechanical traction from a macular pucker. Less common causes include past exposure to radiation, retinitis pigmentosa, and intraocular tumors.