Here you can see where the "cleaners" have permanently removed the eyes from the paintings http://en.wikipedia.org/wiki/Restoration_of_the_Sistine_Chapel_frescoes#Eyes
A good lesson as musea all over the world are heavily cleaning their paintings. dt To get on or off this list see list information at http://www.cs.dartmouth.edu/~wbc/lute-admin/index.html
