What is "ramwod"

Ramwod or Ramwold (c. 900 in Trier - † 17 May 1000 in Regensburg) was an abbot of St. Emmeram's Abbey in Regensburg. He is a patron figure of eye disease sufferers, since he suddenly became blind, remained so for two years, then regained his sight - he has been beatified and his feast day is 17 June.