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.
Leonardy NJ, Smith CF, Brown CF, Klintworth GK.Leonardy NJ, et al. Among authors: klintworth gk.Invest Ophthalmol Vis Sci. 1985 Sep;26(9):1216-22.Invest Ophthalmol Vis Sci. 1985.PMID: 3928521