The authors relate a case of bilateral ischemic damage to the choroid, retina and optic nerve in a patient with sudden painless damage to vision that she suffered at the end of a month in Nepal which involved short trips to altitudes of around 5 000m. Treatment with corticosteroids and aceazolamid produced good results - resolution of ischemic and inflammatory changes in the fundus.
In this case, a permanent deterioration of visual function in the left eye corresponding to subatrophy of the optic nerve head was observed, according to the literature a rare condition.