وَعَنْ أَنَسٍ رَضِيَ اَللَّهُ عَنْهُ;
«أَنَّ اَلنَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ اِسْتَخْلَفَ اِبْنَ أُمِّ مَكْتُومٍ، يَؤُمُّ اَلنَّاسَ، وَهُوَ أَعْمَى»
The Prophet (sallallahu alayhi wa sallam) appointed Ibn Umm Maktum (radiyallahu anha) to lead the people in prayer in his absence and he was blind.