AION optic neuropathy

Category B - full version without watermark 720x576 (check terms and conditions at The embed version with watermark is free of charge. - Description: Anterior Ischemic Optic Neuropathy is caused by an acute impairment to the circulation of the arteries supplying the optic nerve. This transient poor circulation occurs due to a temporary fall in blood pressure to the point that there is not enough blood pressure to fully perfuse the vessels supplying the optic nerve. There are many mechanisms for this fall in blood pressure, and it can be caused by a variety of different factors.