Musannaf Ibn Abi Shayba 18:285

Abu Bakr narrated to us, he said: Waki’ narrated to us, from Hisham al-Dastawa’i, from Qatada, from Abu Mijlaz, that a man asked Ibn Umar about a one-eyed person whose eye is gouged out. Abdullah bin Safwan said: Umar judged regarding it with the blood money (diyah).