Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
muslim:380aIbn Numayr from my father > ʿUbaydullāh > Nāfiʿ > Ibn ʿUmar

The Messenger of Allah ﷺ had two Mu'adhdhins, Bilal and 'Abdullah b. Umm Maktum, who (latter) was blind.  

مسلم:٣٨٠aحَدَّثَنَا ابْنُ نُمَيْرٍ حَدَّثَنَا أَبِي حَدَّثَنَا عُبَيْدُ اللَّهِ عَنْ نَافِعٍ عَنِ ابْنِ عُمَرَ قَالَ

كَانَ لِرَسُولِ اللَّهِ ﷺ مُؤَذِّنَانِ بِلاَلٌ وَابْنُ أُمِّ مَكْتُومٍ الأَعْمَى  


See similar narrations below:

Collected by Muslim, Abū Dāwūd, Suyūṭī
muslim:381aAbū Kurayb Muḥammad b. al-ʿAlāʾ al-Hamdānī > Khālid / Ibn Makhlad > Muḥammad b. Jaʿfar > Hishām from his father > ʿĀʾishah

Ibn Umm Maktum used to pronounce Adhan at the behest of the Messenger of Allah ﷺ (despite the fact) that he was blind.  

مسلم:٣٨١aحَدَّثَنِي أَبُو كُرَيْبٍ مُحَمَّدُ بْنُ الْعَلاَءِ الْهَمْدَانِيُّ حَدَّثَنَا خَالِدٌ يَعْنِي ابْنَ مَخْلَدٍ عَنْ مُحَمَّدِ بْنِ جَعْفَرٍ حَدَّثَنَا هِشَامٌ عَنْ أَبِيهِ عَنْ عَائِشَةَ قَالَتْ

كَانَ ابْنُ أُمِّ مَكْتُومٍ يُؤَذِّنُ لِرَسُولِ اللَّهِ ﷺ وَهُوَ أَعْمَى  

abudawud:535Muḥammad b. Salamah > Ibn Wahb > Yaḥyá b. ʿAbdullāh b. Sālim b. ʿAbdullāh b. ʿUmar Wasaʿīd b. ʿAbd al-Raḥman > Hishām b. ʿUrwah from his father > ʿĀʾishah

Ibn Umm Maktum was the mu'adhdhin of the Messenger of Allah (May peace be upon him) and he was blind.  

أبو داود:٥٣٥حَدَّثَنَا مُحَمَّدُ بْنُ سَلَمَةَ حَدَّثَنَا ابْنُ وَهْبٍ عَنْ يَحْيَى بْنِ عَبْدِ اللَّهِ بْنِ سَالِمِ بْنِ عَبْدِ اللَّهِ بْنِ عُمَرَ وَسَعِيدِ بْنِ عَبْدِ الرَّحْمَنِ عَنْ هِشَامِ بْنِ عُرْوَةَ عَنْ أَبِيهِ عَنْ عَائِشَةَ

أَنَّ ابْنَ أُمِّ مَكْتُومٍ كَانَ مُؤَذِّنًا لِرَسُولِ اللَّهِ ﷺ وَهُوَ أَعْمَى