Full name: الملك الظاهر ركن الدين بيبرس البندقداري (al-Malik al-Ẓāhir Rukn al-Din Baibars al-Bunduqdari)
Al-Zahir Baibars (الظاهر بيبرس) (1223–1277), was a Mamluk sultan of Egypt who is considered as the real founder of the Bahri dynasty and the mamluk empire.
He had a cataract in one of his Blue Eyes.