<prompt> Giant cell aeritis causes which of the following in the eye -EpiscleritisAnterior ischemic optic neuropathyNeuroparalytic keratitisBand keratitis  <response>: Answer- B. Anterior ischemic optic neuropathyCauses of vision lossAnterior ischemic optic neuropathy.Central retinal aery occulusion.Posterior ischemic optic neuropathy.Branch vetinal aery occlusionCerebral ischemia 