Referências:

1. WHO (World Health Organization). "Diabetes." Disponível em: https://www.who.int/news-room/fact-sheets/detail/diabetes.
2. KLEIN, R.; KLEIN, B. E. K.; WONG, T. Y. Retinopathy in Diabetes. Diabetes Care, v. 27, supl. 1, p. S84-S90, 2004. Disponível em: https://diabetesjournals.org/care/article/27/suppl_1/s84/24669/Retinopathy-in-Diabetes.
3. NATIONAL EYE INSTITUTE. Diabetic retinopathy. Disponível em: https://www.nei.nih.gov/learn-about-eye-health/eye-conditions-and-diseases/diabetic-retinopathy.
4. AMERICAN ACADEMY OF OPHTHALMOLOGY. Diabetic retinopathy: Asia. Disponível em: https://www.aao.org/education/topic-detail/diabetic-retinopathy-asia.