This nonprofit group works to find cures, preventions, and improved treatments for age-related degenerative diseases. The website has information about Alzheimer's disease, macular degeneration, and glaucoma.

The American Optometric Association (AOA), which is a national organization of optometrists, can provide information on eye health and eye problems.

EyeCare America is a public service program of the Foundation of the American Academy of Ophthalmology. This site aims to raise awareness about eye diseases and eye care. It has information about eye conditions, treatments, and general eye health. You can check to see if you qualify for a free eye exam.

This nonprofit group supports glaucoma research and provides information about this disease and the importance of early detection to help prevent blindness. The website includes online chat groups for youth and adults.

This nonprofit organization aims to help people prevent vision loss from glaucoma. The website has information about glaucoma and how to live with and treat it. There is also information about how to get help paying for glaucoma medicines.

As part of the U.S. National Institutes of Health, the National Eye Institute provides information on eye diseases and vision research. Publications are available to the public at no charge. The Web site includes links to various information resources.