Acute monocular blindness is a rare postoperative complication. This article reports a case of 65-years-old patient who underwent transurethral resection of the prostate (TURP) under spinal anesthesia. After the operation, he developed an acute visual loss of left eye. Eye examination showed negative response for light perception of the left eye. Other neurological examinations were unremarkable. CT scan, MRI and MRA of the brain were normal. He was treated as acute ischemic stroke, and then got full recovery.

Keywords: Monocular blindness, Perioperative stroke, TURP