Al-Haytham bin Adi (may Allah have mercy on him) said: "Abu Sufyan bin Harb (may Allah have mercy on him) died when nine years of the caliphate of Uthman (may Allah be pleased with him) had passed, and Abu Sufyan bin Harb had lost his sight."
Hadith Referenceالمعجم الكبير للطبراني / باب الصاد / 7229