Late Postoperative Opacification of Hydrogel Intraocular Lenses: Analysis of 13 Explanted Lenses - Katsimpris, J M; Theoulakis, P E; Kouzi-Koliakos, K; Pavlidou, E; Petropoulos, I K; Koliakos, G; Vouroutzis, N; Konstas, A G (Klinische Monatsblätter für Augenheilkunde, 2009)