Ischemic optic neuropathy 3290255 43467857 2006-03-12T19:12:19Z Arcadian 104523 clean up - categorize using [[Wikipedia:AutoWikiBrowser|AWB]] '''Ischemic optic neuropathy''' (ION) is the loss of structure and function of a portion of the [[optic nerve]] due to obstruction of blood flow to the nerve (i.e. [[ischemia]]). ION is typically classified as either [[anterior ischemic optic neuropathy]] or [[posterior ischemic optic neuropathy]] according to the part of the optic nerve that is affected. ==References== ''Dictionary of Eye Terminology'', Triad Publishing Company, 1990. [[Category:Diseases]] {{disease-stub}}