Ocular manifestation in giant cell arteritis?

Ans. a. Arteritic AIONAION occurs due to interference of blood supply to anterior part of optic nerve (posterior ciliary artery)AION can be clinically differentiated into:Arteritic AIONNonarteritic AION*. Due to giant cell arteritis*. Due to occlusion of short posterior ciliary artery*. Sudden, severe visual loss (6/60)*. Sudden, moderate visual loss (>60/60 non-progressive)*. Most common in females, 7-8th decade*. Most common males, 5th-6th decade*. Premonitory symptoms like pain, Amaurosis Fugax present*. Premonitory symptoms like pain, Amaurosis Fugax absent*. Usually Bilateral-fellow eye affected within days to weeks*. Usually Unilateral (>70%)*. Pale optic disc*. Hyperemic optic with small cup*. Poor prognosis*. Good prognosis