Here are a few links that I think will be helpful to further your understanding of these eye complications
National Eye Institute and in Spanish--National Eye Institute-Spanish
--This is a quiz on Diabetic Eye Disease
Interactive Tutorial, also available in Spanish--Interactive Tutorial-Spanish
-- This is a interactive tutorial on Eye Complications from Diabetes
-- This is a government funded site that is very informative on many health-related topics
Arizona Hispanic Center of Excellence
-- This site has health research on the Hispanic population in the Southwest, and it improves cultural competency of health care services for Hispanic communities.