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Clinical study. Clinical trial. Clinical protocol. They all mean the same thing--a scientific study of how a new medicine or treatment works in people. The National Eye Institute (NEI) conducts or sponsors clinical studies to find new ways to understand, treat or prevent eye disease and vision loss. Clinical studies in vision research have led to new medicines and surgeries that have saved or improved sight for thousands of people.
Clinical studies depend on people who volunteer.
Download the Clinical Trials in Vision Research Booklet
(PDF* - 1.5MB)
Download the Clinical Trials in Vision Research Booklet for Nook, iPad and iPhone
(EPUB - 1.6MB)
Download the Clinical Trials in Vision Research Booklet for Kindle
(MOBI - 1.7MB)
Need Additional Help?
Call: (301) 496-5248
Interested in Being a Study Participant?
Talk to your health care provider about whether a clinical study is right for you.
- The Eye Clinic
A website created for people interested in being a part of vision research studies.
- NIH Clinical Research Studies
A collection of research studies being conducted at the National Institutes of Health Clinical Center in Bethesda, Maryland. Help in finding studies is available through the Patient Recruitment and Public Liaison Office, 1-800-411-1222.
A registry of federally and privately supported clinical trials conducted in the United States and around the world.
Interested in Clinical Trial Results?
A database of more than 16 million articles published in 5000 biomedical journals.
Interested in Finding Out What's Been Funded?
- NIH Research Portfolio Online Reporting Tool
RePort Expenditure and Results (RePORTER) A database of research projects funded by the National Institutes of Health (NIH).
Other Helpful Information
- Can a doctor at NEI examine my eyes?
Under certain circumstances, the answer is yes. The NEI's mission is to conduct and support research that leads to a greater understanding of vision and eye disease, and results in sight-saving treatments, says ophthalmologist Rachel Bishop, M.D.
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We welcome your questions and comments. Please send general questions and comments to the NEI Office of Science Communications, Public Liaison, and Education. Technical questions about this website can be addressed to the NEI Website Manager.
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