Emphasis is a principle of desing by which the artist or designer may use opposing sizes, shapes, contrasting color or other means to place greater attencion on certain areas, objects or feeling in a work of art.
Particular stress or prominance given as to a phrase in speaking or to a phase in action.
One can not be sure but his Eye Color was supposed to have been Blue/Green ("like the Aegean sea")- yes that is to emphasie his ''perfectness'' however he was near or far sighted, one eye was green and the other was brown (hazel).