Lynda - Eye Enhancement for Portraiture with Photoshop

Eyes are the focal point of every face. To create engaging portraits, you need to give them extra attention. John Derry breaks down exactly how to make the most of a subject's eyes, reviewing the three major areas for enhancement: iris, pupil, and eyelashes. He also reviews photo "painting" techniques for reducing distractions, modifying contrast and lighting, and directing the viewer's attention toward the subject's face, revealing their inner emotions.

Topics include:

How to enhance eyes with Photoshop
How to add catchlights to eyes
How to make eyes pop
How to whiten eyes
How to extend eyelashes

http://www.lynda.com/Photoshop-tutorials/Eye-Enhancement-Portraiture-Photoshop/431060-2.html