He was well until a month earlier, when he had vomiting, burning, pain in the epigastrium followed by malaena. [ijo.in]

Unilateral blindness occurring during anesthesia for neurosurgical operations. AMA Arch Ophthalmol 1954;52:819–30. [journals.lww.com]

· Unilateral blindness due to optic nerve injury is often missed on a quick clinical examination in the emergency room. However, careful neurological testing will reveal the visual loss. [thamburaj.com]

Vision (rainbow vision): 3 people, 27.27% Optic Neuropathy (optic nerve damage): 3 people, 27.27% Nausea (feeling of having an urge to vomit): 3 people, 27.27% Drowsiness: 3 people, 27.27% Drug Intolerance (drug sensitivity): 3 people, 27.27% Headache [ehealthme.com]