Institute for Ophthalmic ResearchInstitut für AugenheilkundeUniversity of TuebingenCentre for OphthalmologyElfriede-Aulhorn-Strasse 772076 TübingenGermanyPhone: +49 7071 29 84021Fax: +49 7071 29 4560E-mail: institute@eye-tuebingen.de