Is there any scientific explanation for this "miracle"?

I am looking for an explanation for this supposed miracle attributed to the intercession of Saint Dulce that happened last year in Brazil, in which a blind man with glaucoma was able to see again.

catechistscientist.com/blog/heavenly-assistance

saltandlighttv.org/blogfeed/getpost.php?id=93278

via International Skeptics Forum https://ift.tt/2CCJsv6