Vision loss after non-ophtalmic surgery is rare but destructive complication, which should be informed to the patient preoperatively.
- A rare case of 59 year-old male patient who underwent double coronary bypass and successfully weaned from it but lost his vision within a week was reported in this.
- Visual loss is a rare (0.0008% – 0.002%) and destructive complication for patients undergoing bypass surgery, as per the earlier literature.
- The present patient was admitted for coronary artery disease, presented loss of senses and unstable angina. CABG was performed and the patient had returned to normal sinus rhythm.
- Then after, on the afternoon of the fourth day, the patient complained for blindness on the left eye and six hours later had suffered complete visual loss.
- Oedema and discoloration of the papilla bilateral.
- Treated with methylprednisolone but could not retrieve the clinical status.
- VA counting fingers 5 meters OD.
- Had 6/6 vision OS.
- Had right pupillary defect, normal lens and IOP in both eyes.
- Fundoscopy showed swollen optic disc in right eye, and small crowded disc left fundus.
- No cotton wool spots or emboli in either retina.
- Visual field of right eye was constricted with altitudinal defect.
Finally the diagnosis of non-arteritric anterior ischemic optic neuropathy was established.