The crossword solutions for the term 'Macbeth Eye Donor' are 'NEWT'. Macbeth is a tragedy written by William Shakespeare, first performed in 1606. The play tells the story of the ambitious Scottish nobleman Macbeth and his wife, who have tragic consequences after they murder King Duncan in order to gain the throne. In the play, Macbeth gives his eyes to a NEWT as a sign of his guilt. This NEWT is referred to as the 'Macbeth Eye Donor'.