Ibn Umm Maktum used to call the adhan for the Messenger of Allah ﷺ, and he was blind.
كان ابن أم مكتوم يؤذن لرسول الله ﷺ وهو أعمى.
Muslim narrated it in the Book of Prayer (381) through the route of Hisham, from his father, from Ayesha.