Vitreal insulin-like growth factor binding proteins (IGFBPs) are increased in human and animal diabetics. - Waldbillig,R.J.; Jones,B.E.; Schoen,T.J.; Moshayedi,P.; Heidersbach,S.; Bitar,M.S.; van Kuijk,F.J.; de Juan,E.; Kador,P.; Chader,G.J. (Curr Eye Res, 1994)