http://www.nei.nih.gov   this is the site of the National Eye Institute, National Institutes of Health,which conducts and supports research to prevent and treat eye diseases and disorders. For health information about basic anatomy, diseases and conditions pertaining to the eye, visit the Health Information section of the site. 

http://www.glaucoma.org  this is the site of the Glaucoma Research Foundation,  a national charitable group serving glaucoma patients

http://www.ahaf.org/glaucoma/about/ this is the site of The American Health Assistance Foundation, a charitable group serving glaucoma

http://www.glaucomaweb.org/ the site of the American Glaucoma Society, at which you can find the names and addresses of glaucoma specialists in the United States

http://www.aao.org/  the site of the American Academy of Ophthalmology

http://www.afb.org the site of the American Foundation for the Blind

http://www.healthyvision2010.org/rehabilitation/#orgs the site for Healthy Vision 2010 sponsored by the U.S. Department of Health and Human Services, an extensive resource for information about eye examinations & diseases, injury & safety and vision rehabilitation.

http://www.jgb.org the site for the Jewish Guild for the Blind, offers a broad range of programs that include: medical, vision, low vision, psychiatric and rehabilitative services, managed long-term care, residential services, day health programs, schools and educational training programs for independent living. In addition, The Guild's radio reading service, InTouch Networks, and SightCare, its vision care education and training program, address the special needs of thousands of people nationwide.

http://www.nei.nih.gov/nehep/ the site of the National Eye Health Education Program, whose goal is to ensure that vision is a health priority by translating eye and vision research into public and professional education programs. NEHEP supports collaboration among eye health professionals, healthcare providers, patients, and the public.