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.
Payne JF, Keenum DG, Sternberg P Jr, Thliveris A, Kala A, Olsen TW.Payne JF, et al. Among authors: olsen tw.Arch Ophthalmol. 2010 Dec;128(12):1546-50. doi: 10.1001/archophthalmol.2010.305.Arch Ophthalmol. 2010.PMID: 21149777