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.
Faber E, Golding TR, Lowe R, Brennan NA.Faber E, et al. Among authors: brennan na.Optom Vis Sci. 1991 May;68(5):380-4. doi: 10.1097/00006324-199105000-00010.Optom Vis Sci. 1991.PMID: 1852401Clinical Trial.
Golding TR, Efron N, Brennan NA.Golding TR, et al. Among authors: brennan na.Optom Vis Sci. 1990 Jun;67(6):461-5. doi: 10.1097/00006324-199006000-00011.Optom Vis Sci. 1990.PMID: 2381689