Vision loss following surgery

By James W. Ogilvie, MD; John Sanders, MBBS, FRCA

Impact of ION can be far-reaching

Ischemic optic neuropathy (ION) is a rare postoperative complication that can result in partial or complete loss of vision. ION results from an interruption of the blood supply to the optic nerve heads, which are supplied by the short posterior ciliary arteries, branches of the ophthalmic artery.

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