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International Journal of Recent Trends in Science and Technology, ISSN 2277-2812 E-ISSN: 2249-8109

Volume 11, Issue 1, May 2014 pp 113-115

Research Article

Non-Arteritic Anterior Ischaemic Optic Neuropathy in a Patient with Bilateral Carotid Plagues Following Coronary Artery Bypass Surgery


N. Ezhilvathani1*, Sanjay Theodore2, Siddartha3

{1,2Associate Professor, Department of Ophthalmology, Pondicherry Institute of Medical Sciences, Ganapathychettikulam,Kalapet}

{3Private Consultant} Pondicherry, INDIA.

Academic Editor : Dr. Aher K.R.



Anterior ischemic optic neuropathy (AION), a rare cause of visual loss in patients following non-optical surgery. One of the etiologies includes pre-existing carotid artery disease and hypotension. A case of Non-Arteritic AION following coronary artery bypass surgery (CABS) is being reported. A 63 year old man, presented with complaints of sudden, painless, diminution of vision in left eye following CABS 20 days ago, from first postoperative day. Vision was normal in right eye and diminished with RAPD and colour vision defects in left eye. Bjerrum’s screen revealed altitudinal field loss in left eye. Computerized Humphrey field analysis revealed bilateral altitudinal field loss.