Thus the meaning of Mystes is given as "one who sees things in disguise," and that of Epopt as "one who sees things as they are, without disguise."
"The Eleusinian Mysteries and Rites"
Dudley Wright
The Epopt, after passing through the ceremonial of exaltation, was said to have received Autopsia, or complete vision.
"The Eleusinian Mysteries and Rites"
Dudley Wright