Narrated Anas (RA): The Prophet ( صلی اللہ علیہ وسلم ) appointed Ibn Umm Maktum (RA) to lead the people in prayer in his absence and he [Ibn Umm Maktum (RA)] was blind. [Reported by Ahmad and Abu Dawud] . Ibn Hibban also reported something similar from 'Aishah (RA).