Almond's brilliant characterization and ability to evoke atmosphere, time and place mixes the real and unreal in a totally believable way.
Although a few scenes in the movie feel a bit over-dramatized, the overall performances of the actors are believable and more often than not their scenes are executed with the skill of seasoned pros.
It will also let you gauge how flattering an eye color is on you, let try out multiple colors without spending a lot of money, and make sure the fit is just what you need to look believable and feel as comfortable as a contact lens can.
Incidentally, the ring and other jewelry used in the movie is real and was loaned to the production by Chopard.Even when used in a movie, engagement rings must be believable and must match the personalities of the characters involved.
He makes life on a space station believable, and uses technology brilliantly not only to train his young characters, but to move the plot forward when Ender discovers an unusual landscape in a complex training game.