IBN USAIBI'A (MUWAFFAQUDDIN ABU-L-`ABBAS AHMAD IBN UL-QASIM IBN ABI USAIBI`A) (1203-127o), Arabian physi cian, was born at Damascus, the son of an oculist, and studied medicine at Damascus and Cairo. In 1236 he was appointed by Saladin physician to a new hospital in Cairo, but resigned in 1237 to serve the amir of Damascus in Salkhad. There he lived and died. He wrote "Uyun ul-Anba `f i Tabaqat ul-Atibba" or "Lives of the Physicians." Edition by A. Muller (Konigsberg, 5884).