The Prophet ﷺ said, "Dajjal has his left eye wiped out, with a film of skin covering it, and the word 'disbeliever' written between his eyes."
حدثنا يزيد أخبرنا حميد
أن النبي ﷺ قال إن الدجال ممسوح العين اليسرى عليها ظفرة مكتوب بين عينيه كافر
Its isnad is sahih, mentioned previously at 12084.