This is the third installment of the Eye Manipulation series. Alright, now im sure most of you know my facsination with eyes is huge. But this one looks pretty awesome. Check it out. It's almost like a vortex inside the eye itself.
1. Get a picture of an Eye. This ones pretty nice.

2. Take Your Eliptical Marquee Tool. And select the Pupil of the eye. Right click and select Copy. Then right click it again, and copy it again.

3. Now Hide That Layer for now, (By pressing the little Eye Icon next to the layer) And Ctrl+Click the Layer underneath it (This should select it) Now go: "Filter > Distort > Twirl : Angle - 915" Click Ok. And it should look like this now.

4. Now With the Twirled Pupil Layer selected, go over to the Layer Style and change the style to overlay.

Now it should look something like this:

Now to add some color.
5. Selected the top layer and press "Ctrl+U" or go: "Image > Adjustments > Hue/Saturation" and use these settings:

Press Ok.
And This Should Be Your End Result:

Let Me know how yours came out!
-Scott
Other Colors Can Be Used As Well, The Best Looking colors however, are Sky Blue, Yellow, and Turquoise.