You'll need to give more details before anybody can really help you or even know if there is a problem.

If you mean her eyes have turned blue, then she is in the shedding process but not yet to the point where her skin is coming off. Her eyes will clear up again before the skin comes off.

Make sure the humidity in the enclosure is high enough.

Read this thread to learn more about the shedding process.
http://ball-pythons.net/forums/showthread.php?t=28794

If she gets to the point where her skin is coming off but she cant' seem to get it all of, try following the advice in this thread.
http://ball-pythons.net/forums/showthread.php?t=43403