The American Academy of Ophthalmology (AAO) is an association of medical eye doctors. It provides general information and brochures on eye conditions and diseases and low-vision resources and services. The AAO is not able to answer questions about specific medical problems or conditions.

The American Foundation for the Blind is dedicated to addressing the critical issues of literacy, independent living, employment, and access through technology for the 10 million Americans who are blind or visually impaired.

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

Lighthouse International is a not-for-profit organization dedicated to helping people of all ages to overcome vision impairment through vision rehabilitation services, education, research, and advocacy.

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.

Prevent Blindness America assists the visually impaired and provides consumer information on vision problems and vision aids. Many states have local affiliates.