here is another useful link, 3 parts.[link][link][link]
little tutorial of my way to understand how the anime eyes constructed from real life's
but it still better if you just go to bookstore get a reference book lol.
i researched a bit for eye tutorial and i notice no one ever teach how to convert realism eyes to manga, by understand this you can draw desire manga eyes.... hmm
or comment see what else i'm missing for eyes.
* the cross line on the face is determine position of the eye and ear for manga face. also nose too. draw lower or higher is up to user preference