Spektrum der AugenheilkundeJune 1999, Volume 13, Issue 3, pp 133–135 | Cite asLiteraturforumAuthorsAuthors and affiliationsL. HesseArticle 13 Downloads This is a preview of subscription content, log in to check access.PreviewUnable to display preview. Download preview PDF.Unable to display preview. Download preview PDF.Copyright information© Springer-Verlag 1999Authors and AffiliationsL. Hesse11.Department of OphthalmologyPhilipps UniversityMarburgGermany