Macular Degeneration International (MDI) is a special non-profit organization dedicated to serving the needs of persons with early onset (juvenile) or late onset (age-related) macular degeneration. MDI is an international organization dedicated to meeting the special lifestyle needs of individuals affected with macular degeneration and their families. MDI is also committed to providing educational and support programs to help people affected with macular disease effectively cope with their vision-related problems.

MDI also provides information on current medical and research information including the most current research findings in areas of nutrition, genetics, cell transplantation and clinical trials from around the world.