Musannaf Ibn Abi Shayba 18:293

Abu Bakr narrated to us, he said: Abu Usamah narrated to us, from Hisham, from Ibn Sirin, from Shurayh: That he said regarding a man whose eye is gouged out, and he has no other eye: "Retaliation (qisas)." And if it was gouged out by mistake, then half of the blood money (diyah).