The Mona Lisa Code

Intrigue was usually focused on her enigmatic smile... There was always something strange about Lisa del Giocondo's eyes, always full of secrets, always hiding something. Buried in the dark of her pupils is something no one can explain, something that only the creator of this puzzling configuration can understand. There are numbers and letters in her eyes. They are so miniscule that they can't be seen with the naked eye. To truly apprehend the answer to this cryptogram we will need to ask the creator himself, 511 years ago...