I have had quite a few people ask how I achieved this look. So I figured I would do a quick little photoshop tutorial on it to help you guys out! It is much much easier then you think. Hope you enjoy!
1. Duplicate current layer (CMD+J)
2.Double click layer.
3.Turn off green and blue channels.
4.Warp transform (CMD+T, right click, select warp)
5.Warp to desired effect amount.
6.Mask out eyes or any feature you do not want the effect on.