Anas ibn Mālik (may Allah be pleased with him) reported that the Prophet (ﷺ) ﷺ said: “The Dajjāl is blind in his left eye; over it is a thick film, and between his eyes is written: ‘Kāfir, Disbeliever,’ or he said: ‘Kafara, He has disbelieved.’” Reference: Musnad Aḥmad 190