Hello guys i whant to show a trik with photoshop :) "How to add a rainbow in someone's eyes"
Lets start !
1. Chose a picture thats mine for the guide.
2. Make a new layer and select iris of the eye like this
3. Get the gradient tool and select this gradient
4. Fill the selection with the gradient and set the layer transparency (opacity) around 20-25 percent (according to your desired effect).
5. Select apple of the eye, and press delete on your keyboard.
6. Ready enjoy your rainbow ;D