How to Turn Off iOS 7′s Parallax Effect
One of the most noticeable iOS 7 features is Parallax. This is a fancy way of describing the small movements you see while shifting the iPhone back and forth in your hand.
For some users this is a nice effect that adds to the look of the iPhone or iPad, but for others it is distracting and potentially nauseating. If you get motion sick after looking at iOS 7 home screen, you may need to turn off Parallax in iOS 7 to get by using the new software.