How do I make eyes BLUER in Photoshop CS3?

[amc]

I just love this photo of my daughter and just got photoshop CS3. I haven't watched the tutorials yet, but just wondering if anyone knows how to make my daughter's eyes stand out bluer to her real color eyes?
thanks!
could someone tell me step by step?

[battery]

this one is natural color correction.....




this one is the same one.... just change eye color......



here is the tutorials show you how to change eye color.... http://www.lunacore.com/photoshop/tutorials/tut004.htm

video tutorial
http://www.dphotojournal.com/photoshop- ... eye-color/