Ameer al-Momineen (a.s) said: “Blindness is a form of imprisonment on the Earth by God. God will imprison with blindness any one He wishes for as long as He wills on the Earth.”
قال أمير المؤمنين (عليه السلام): العمى سجن يسجن الله في الأرض به عبده ما شاء إلى متى شاء.