http://grandoldgame.blogspot.com/2012/02/rumor-control-on-culbreths-eye-surgery.html

Just got off the phone with his mother, so I'd say that's a reliable source. Mention surgery and the worst is usually anticipated, but the best part of it is that this procedure shouldn't cause him to miss any playing time, and he should be none the worse for wear afterwards. Visit this SB Nation blog or The Grand Old Game for follow-up details.