National Eye Institute (Eye Health)

American Optometric Association (Eye & Vision Conditions)

University of Michigan Kellogg Eye Center (Eye Conditions)

Eye Care America (Diseases & Conditions)

Merck (Eye Disorders)

All About Vision (Eye Problems & Diseases)

International Diabetes Federation

American Diabetes Association

Diabetic Retinopathy at Senior Health

Diabetic Retinopathy at Mayo Clinic

National Diabetes Information Clearinghouse