- Pars plana vitrectomy, lensectomy, or extraction in transscleral intraocular lens fixation for the management of dislocated lenses in a family with Marfan's syndrome. Omulecki, W., Nawrocki, J., Palenga-Pydyn, D., Sempinska-Szewczyk, J. Ophthalmic surgery and lasers. (1998)