Copyright Policy

Unless otherwise noted, information on the Cerebral/Cortical Visual Impairment website is in the public domain. Public domain information may be freely distributed and copied, but, as a courtesy, we request that the Cerebral/Cortical Visual Impairment be given an appropriate acknowledgement: “Courtesy: Cerebral/Cortical Visual Impairment, National Institutes of Health (CVI/NIH).”

When using the CVI 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 CVI website; how they can be contacted; and what, if any, use those owners allow of their material.

Specific Guidelines:

Most text appearing on CVI 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: Cerebral/Cortical Visual Impairment, National Institutes of Health (CVI/NIH).” Occasionally, the CVI 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.

The CVI Photos and Images catalog is provided as a source of free audiovisuals. Permission is granted to use these items for educational, news media or research purposes, provided the source for each image is credited. The CVI Photos and Images catalog may not be used to promote or endorse commercial products or services. Use by non-profit organizations in connection with fundraising or product sales is considered commercial use. Permission to use CVI website graphics found any place other than the CVI Photos and Images catalog is granted on a case-by-case basis. Some are in the public domain, some are copyrighted and some are used by CVI with specific permission granted by the owner. Therefore, these graphics should not be reused without permission. For information about the copyright holders of a given logo, photo or illustration on the CVI website; how the owners can be contacted; and what, if any, use those owners allow of their material; please contact the CVI Website Manager and provide the URL, file name, and intended use. Granting the right to use a graphic from the website does not explicitly or implicitly convey CVI’s endorsement of the site where it is used.

CVI logos and logos associated with the National Eye Health Education Program may not be used without specific written permission by the CVI Office of Science Communications, Public Liaison, and Education. Researchers may use the CVI logo online or in print to acknowledge CVI funding. Contractors may not use the CVI logo on documents that are consulting deliverables or proposals intended for CVI use. The CVI logo should not be combined with other elements to create a new logo for an office or program.