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.
Ousley PJ, Terry MA.Ousley PJ, et al. Among authors: terry ma.Ophthalmology. 2005 Jan;112(1):50-7. doi: 10.1016/j.ophtha.2004.07.028.Ophthalmology. 2005.PMID: 15629820