An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Mathis U, Feldkaemper M, Wang M, Schaeffel F.Mathis U, et al.Graefes Arch Clin Exp Ophthalmol. 2020 Feb;258(2):319-333. doi: 10.1007/s00417-019-04573-y. Epub 2019 Dec 26.Graefes Arch Clin Exp Ophthalmol. 2020.PMID: 31879820
Schaeffel F, Mathis U, Brüggemann G.Schaeffel F, et al. Among authors: mathis u.Optom Vis Sci. 2007 Jul;84(7):630-9. doi: 10.1097/OPX.0b013e3180dc99ea.Optom Vis Sci. 2007.PMID: 17632312
Mathis U, Schaeffel F, Howland HC.Mathis U, et al.J Comp Physiol A. 1988 Jun;163(2):201-13. doi: 10.1007/BF00612429.J Comp Physiol A. 1988.PMID: 3404484