Maybe it's the bottle of Jack he has? Tell him to take more coke with it.... BUT in all seriousness, try not to worry - my friends little one had this and she was given exercises for the lag and they worked really well in a few weeks. He didn't have the rolling eyes though - they may not even be related. hope you get seen soon.
Just wanted to give you some hugs hu nand hope he gets the appointment soon! Im sure its nothing to worry about!