National Institutes of Health Clinical Center (CC)
Observational Model: Cohort
Time Perspective: Prospective
Outcome assessment will be based on the ongoing ocular examination and historical data that will be obtained at each visit. Of particular importance will be the visual acuity data and the photographic documentation.
50 Years and older (Adult, Senior)
January 3, 2008
January 16, 2008
November 8, 2017
National Institutes of Health Clinical Center, 9000 Rockville Pike Bethesda, Maryland, United States
† Study has passed its completion date and status has not been verified in more than two years.