Well he was a little too out of it for FOX's Mon-Fri program schedule. I also think it maybe was for health reasons. I know Beck had mentioned a while back he may lose his eyesight. The articles do state he will do some side work for FOX.
Don't even joke about that! Somebody will have the idea to go mask vs. hair and then we'll get stuck looking at Rey's stupid face or uncle Eddy's beautiful locks will be shaved. Well, unless he loses and then refuses to cut it because he lies.