Board Thread:Naruto Discussions/@comment-1872728-20160329033053/@comment-24521038-20160430123504

Yes, like Ravenlot 27 said when eyes are transpalented they restore eye. Also when Sharingan evolve, if eye is blind, it is restored. For example; in Madara's case when his right blind eye(which izanagi is used) healed when his eyes evolve to Rinnegan.