Unless otherwise noted, information on the National Eye Institute website is in the public domain. Public domain information may be freely distributed and copied, but, as a courtesy, we request that the National Eye Institute be given an appropriate acknowledgement: “Courtesy: National Eye Institute, National Institutes of Health (NEI/NIH).”
When using the NEI website, you may encounter documents, illustrations, photographs or other information that has been licensed by private individuals, companies or organizations that may be protected by United States and foreign copyright laws. Transmission or reproduction of these protected items requires the written permission of the copyright owners. For information about the copyright owners of a given graphic, photo or illustration on the NEI website; how they can be contacted; and what, if any, use those owners allow of their material; please provide the URL and file name to the NEI Website Manager.
Specific Guidelines:
Most text appearing on NEI web pages was prepared by employees of the United States Government and therefore is not subject to copyright. The same is true of most publications available for downloading from this website. You may freely copy that material. Please use the following credit: “Courtesy: National Eye Institute, National Institutes of Health (NEI/NIH).”
Occasionally, the NEI site may contain documents or links to documents, such as full-text journal articles, that are copyright-protected. Web users may view and print these documents but should contact the copyright owner for any other uses.
