Cost-Effective Strategies for the Prevention and Management of Diabetes Mellitus and Diabetic Retinopathy: A Comprehensive Review

Authors

  • Maduabuchukwu Innocent Nkollo Department of Optometry and Vision Science, Faculty of Allied Medical Sciences, Dennis Osadebay University, Anwai, Asaba, Delta State, Nigeria Author
  • Nnaemeka Alvand Onwukwe Department of Optometry, Faculty of Health Sciences and Technology, David Umahi Federal University of Health Sciences, Uburu, Ebonyi State, Nigeria Author
  • Edafe Oghenegangan Emurotu Department of Optometry and Vision Science, Faculty of Allied Medical Sciences, Dennis Osadebay University, Anwai, Asaba, Delta State, Nigeria Author
  • Bobby Ikponmwosa Ebuehi Department of Optometry and Vision Science, Faculty of Allied Medical Sciences, Dennis Osadebay University, Anwai, Asaba, Delta State, Nigeria Author
  • John Esimaje Moyegbone Department of Environmental and Public Health Optometry, Faculty of Optometry, University of Benin, Benin-City, Edo State, Nigeria Author
  • Prisca Onyema Department of Optometry, Faculty of Allied Health Sciences, Bingham University, Karu, Nassarawa State, Nigeria Author
  • Anita Ayovunefe Department of Optometry and Vision Science, Faculty of Allied Medical Sciences, Dennis Osadebay University, Anwai, Asaba, Delta State, Nigeria Author
  • Helen Omonigho Lucky-Udi Department of Optometry and Vision Science, Faculty of Allied Medical Sciences, Dennis Osadebay University, Anwai, Asaba, Delta State, Nigeria Author
  • Ayodeji Ezekiel Ige Department of Optometry and Vision Science, Faculty of Life Sciences, University of Ilorin, Ilorin, Kwara State, Nigeria Author
  • Aghogho Odogu Department of Optometry, College of Medical and Health Sciences, Novena University, Ogume, Delta State, Nigeria Author
  • Franklin Ehigiator Kio Department of Optometry, College of Medical and Health Sciences, Novena University, Ogume, Delta State, Nigeria Author

DOI:

https://doi.org/10.55578/amsr.2606.009

Keywords:

Diabetes Mellitus, Diabetic Retinopathy, Cost-Effectiveness, Retinal Screening, Teleophthalmology

Abstract

Diabetes mellitus and diabetic retinopathy represent major global public health challenges associated with significant morbidity, visual impairment, mortality, and economic burden. Diabetic retinopathy, a leading microvascular complication of diabetes mellitus, remains one of the primary causes of preventable blindness among working-age adults worldwide. The increasing prevalence of diabetes, particularly in low- and middle-income countries, has intensified the need for cost-effective preventive and management strategies capable of reducing disease progression, healthcare expenditure, and visual disability. This review aimed to evaluate current cost-effective strategies employed in the prevention, screening, and management of diabetes mellitus and diabetic retinopathy.

Relevant literature was obtained from electronic databases including PubMed, Scopus, Google Scholar, ScienceDirect, and ResearchGate using keywords related to diabetes mellitus, diabetic retinopathy, cost-effectiveness, prevention, screening, teleophthalmology, and healthcare economics. Evidence from peer-reviewed articles, clinical trials, guidelines, and systematic reviews was critically analyzed.

Findings from the review indicate that preventive healthcare approaches such as lifestyle modification, glycaemic control, blood pressure and lipid management, patient education, and routine retinal screening significantly reduce the incidence and progression of diabetic retinopathy while lowering long-term healthcare costs. Technological innovations including teleophthalmology, artificial intelligence-assisted retinal screening, and portable retinal imaging systems have further improved accessibility, efficiency, and affordability of diabetic eye care services. Despite these advances, challenges such as poor awareness, inadequate healthcare infrastructure, high treatment costs, and limited specialist availability continue to affect effective disease management.

In conclusion, investment in preventive care, early detection, integrated healthcare delivery, and affordable screening technologies remains essential for reducing blindness, improving patient outcomes, and minimizing the economic burden associated with diabetes mellitus and diabetic retinopathy.

References

[1] American Diabetes Association. (2024). Standards of care in diabetes—2024. Diabetes Care, *47*(Suppl. 1), S1-S350.

[2] International Diabetes Federation. (2021). IDF diabetes atlas (10th ed.). IDF.

[3] World Health Organization. (2023). Global report on diabetes. WHO.

[4] World Health Organization. (2024). Diabetic retinopathy screening guidelines. WHO.

[5] National Institute for Health and Care Excellence. (2024). Diabetic retinopathy: Management (NG242). NICE.

[6] Nkollo, M. I. (2026). Pharmacological management of diabetic retinopathy: Current trends and emerging therapies. Journal of Kenya Association of Physicians, *8*(1), 4-12. https://dx.doi.org/10.4314/jkap.v8i1.2

[7] American Academy of Ophthalmology. (2025). Preferred practice pattern: Diabetic retinopathy. AAO.

[8] International Council of Ophthalmology. (2018). ICO guidelines for diabetic eye care. ICO.

[9] Cheung, N., Mitchell, P., & Wong, T. Y. (2010). Diabetic retinopathy. The Lancet, *376*(9735), 124-136.

[10] Yau, J. W. Y., Rogers, S. L., Kawasaki, R., Lamoureux, E. L., Kowalski, J. W., Bek, T., et al. (2012). Global prevalence and major risk factors of diabetic retinopathy. Diabetes Care, *35*(3), 556-564.

[11] Wong, T. Y., Sun, J., Kawasaki, R., Ruamviboonsuk, P., Gupta, N., Lansingh, V. C., et al. (2018). Guidelines on diabetic eye care: The International Council of Ophthalmology recommendations for screening, follow-up, referral, and treatment based on resource settings. Ophthalmology, *125*(10), 1608-1622.

[12] Klein, R., Klein, B. E. K., Moss, S. E., Davis, M. D., & DeMets, D. L. (2004). The Wisconsin epidemiologic study of diabetic retinopathy. Ophthalmology, *111*(11), 2113-2121.

[13] Stratton, I. M., Adler, A. I., Neil, H. A. W., Matthews, D. R., Manley, S. E., Cull, C. A., et al. (2001). Association of glycaemia with macrovascular and microvascular complications of type 2 diabetes (UKPDS 35). Diabetologia, *44*(2), 156-163.

[14] UK Prospective Diabetes Study Group. (1998). Intensive blood-glucose control with sulphonylureas or insulin compared with conventional treatment and risk of complications in patients with type 2 diabetes. The Lancet, *352*(9131), 837-853.

[15] Diabetes Control and Complications Trial Research Group. (1993). The effect of intensive treatment of diabetes on the development and progression of long-term complications in insulin-dependent diabetes mellitus. The New England Journal of Medicine, *329*(14), 977-986.

[16] Brownlee, M. (2005). The pathobiology of diabetic complications: A unifying mechanism. Nature, *414*(6865), 813-820.

[17] Early Treatment Diabetic Retinopathy Study Research Group. (1991). Early photocoagulation for diabetic retinopathy. Archives of Ophthalmology, *109*(6), 766-785.

[18] Diabetic Retinopathy Clinical Research Network. (2015). Aflibercept, bevacizumab, or ranibizumab for diabetic macular edema. The New England Journal of Medicine, *372*(13), 1193-1203.

[19] Solomon, S. D., Glassman, A. R., & Jampol, L. M. (2019). Diabetic macular edema treatment outcomes. Ophthalmology, *126*(10), 1393-1403.

[20] Flaxel, C. J., Adelman, R. A., Bailey, S. T., Fawzi, A., Lim, J. I., Vemulakonda, G. A., et al. (2020). Diabetic retinopathy preferred practice pattern®. Ophthalmology, *127*(1), P66-P145.

[21] Mukonda, E., van der Westhuizen, D. J., Dave, J. A., Cleary, S., Hannan, L., Rusch, J. A., & Lesosky, M. (2025). Understanding the relationship between the frequency of HbA1c monitoring, HbA1c changes over time, and the achievement of targets: A retrospective cohort study. BMC Endocrine Disorders, *25*(3).

[22] Moucheraud, C., Lenz, C., Latkovic, M., & Wirtz, V. J. (2019). The costs of diabetes treatment in low- and middle-income countries: A systematic review. BMJ Global Health, *4*(1), e001258.

[23] Abràmoff, M. D., Lavin, P. T., Birch, M., Shah, N., & Folk, J. C. (2018). Pivotal trial of an autonomous AI-based diagnostic system for detection of diabetic retinopathy. NPJ Digital Medicine, *1*, 39.

[24] Li, Z., Keel, S., Liu, C., He, Y., Meng, W., Scheetz, J., et al. (2023). Cost-effectiveness of artificial intelligence in diabetic retinopathy screening. The Lancet Digital Health, *5*(2), e85-e96.

[25] Bourne, R. R. A., Steinmetz, J. D., Flaxman, S., Briant, P. S., Taylor, H. R., Resnikoff, S., et al. (2021). Trends in prevalence of blindness and distance and near vision impairment over 30 years. The Lancet Global Health, *9*(2), e144-e160.

[26] Jonas, J. B., Cheung, C. M. G., & Panda-Jonas, S. (2021). Updates on the epidemiology of diabetic retinopathy. Progress in Retinal and Eye Research, *80*, 100876.

[27] Zheng, Y., He, M., & Congdon, N. (2012). The worldwide epidemic of diabetic retinopathy. Progress in Retinal and Eye Research, *31*(1), 1-18.

[28] Silva, P. S., Cavallerano, J. D., Sun, J. K., Noble, J., Aiello, L. M., & Aiello, L. P. (2018). Telemedicine and diabetic retinopathy screening. JAMA Ophthalmology, *136*(4), 437-444.

[29] Silva, P. S., Cavallerano, J. D., Haddad, N. M., Kwak, H., Dyer, K. H., Omar, A. F., et al. (2011). Telemedicine and diabetic retinopathy outcomes. Archives of Ophthalmology, *129*(2), 236-242.

[30] Scanlon, P. H. (2017). The English national screening programme for diabetic retinopathy. Eye, *31*(2), 168-173.

[31] Fenner, B. J., Wong, R. L. M., Lam, W. C., Tan, G. S. W., Cheung, G. C. M., & Wong, T. Y. (2020). Advances in diabetic retinopathy screening using telemedicine and artificial intelligence. Diabetic Medicine, *37*(12), 2132-2140.

[32] Mistry, H., Auguste, P., Lois, N., & Strike, P. W. (2022). Economic burden of diabetic retinopathy. Pharmacoeconomics, *40*(6), 603-620.

[33] Avidor, D., Loewenstein, A., Waisbourd, M., & Nutman, A. (2020). Cost-effectiveness of diabetic retinopathy screening programs using telemedicine: A systematic review. Cost Effectiveness and Resource Allocation, *18*, 16.

[34] Sharafeldin, N., Kawaguchi, A., Sundaram, A., Campbell, S., & Tennant, M. T. S. (2020). Teleophthalmology for diabetic retinopathy screening: A systematic review. Ophthalmic Epidemiology, *27*(5), 373-385.

[35] Coronado, A. C., et al. (2016). Cost analysis of a pharmacy-based teleophthalmology program for diabetic retinopathy screening. CMAJ Open, *4*(3), E314-E321.

[36] Stanimirovic, A., et al. (2020). Cost analysis of a teleophthalmology pilot project. Ophthalmology, *127*(11), 1510-1517.

[37] Wong, T. Y., Sabanayagam, C., & others. (2020). Strategies for screening and prevention of diabetic eye disease. The Lancet.

[38] Silva, P. S., et al. (2021). Teleophthalmology outcomes in diabetic retinopathy screening. Ophthalmology, *128*(7), 1010-1018.

[39] World Health Organization Regional Office for Europe. (2021). Diabetic retinopathy screening guide. WHO Europe.

[40] World Health Organization. (2022). World report on vision. WHO.

[41] Ogle, G. D., et al. (2022). Global diabetes burden and future projections. Diabetes Research and Clinical Practice, *183*, 109119.

[42] Ogurtsova, K., et al. (2022). IDF diabetes atlas: Global estimates update. Diabetes Research and Clinical Practice, *183*, 109119.

[43] Chen, E., et al. (2021). Cost-effectiveness of anti-VEGF therapy for diabetic macular edema. JAMA Ophthalmology, *139*(4), 373-381.

[44] Scanlon, P. H., et al. (2021). Effectiveness of diabetic retinopathy screening programmes. Eye, *35*(1), 1-9.

[45] Rajalakshmi, R., et al. (2021). Validation of artificial intelligence-based retinal screening in India. Diabetes Care, *44*(2), 398-404.

[46] Voigt, M., Schmidt, S., Lehmann, T., Köhler, B., & Kloos, C. (2017). Cost-effectiveness of diabetic retinopathy screening. Diabetes Care, *40*(7), 971-977.

[47] Javitt, J. C., Aiello, L. P., Chiang, Y., Ferris, F. L., Canner, J. K., & Greenfield, S. (1994). Preventive eye care in people with diabetes is cost-saving to the federal government. Ophthalmology, *101*(7), 1281-1288.

[48] Heintzman, J., et al. (2020). Digital health interventions for diabetes care. Annals of Internal Medicine, *172*(11), 738-739.

[49] Ting, D. S. W., et al. (2020). Artificial intelligence and deep learning in diabetic retinopathy screening. The Lancet Digital Health, *2*(2), e85-e95.

[50] Coronado, A. C., et al. (2016). Teleophthalmology cost savings in diabetic retinopathy screening. CMAJ Open, *4*(3), E314-E321.

[51] Silva, P. S., et al. (2015). Accuracy of telemedicine for diabetic retinopathy screening. Ophthalmology, *122*(12), 2476-2481.

[52] Grzybowski, A., et al. (2020). Global strategies for diabetic retinopathy screening. Survey of Ophthalmology, *65*(4), 431-445.

[53] Klein, B. E. K., et al. (2019). Long-term progression of diabetic retinopathy. Ophthalmology, *126*(1), 59-67.

[54] Lee, P. P., et al. (2017). Economic burden of visual impairment and blindness. Archives of Ophthalmology, *135*(2), 122-128.

[55] Hutchinson, A. K., et al. (2020). Appropriate screening intervals for diabetic retinopathy. Ophthalmology, *127*(3), 343-351.

[56] Bressler, N. M., et al. (2019). Long-term outcomes of diabetic macular edema treatment. JAMA Ophthalmology, *137*(4), 382-390.

[57] Liu, Y., et al. (2021). Deep learning systems for retinal disease detection. Nature Medicine, *27*(3), 363-365.

[58] Sun, J., et al. (2020). Health economics of diabetes complications. Diabetologia, *63*(9), 1656-1665.

[59] Whiting, D. R., Guariguata, L., Weil, C., & Shaw, J. (2011). IDF diabetes atlas: Global estimates of the prevalence of diabetes. Diabetes Research and Clinical Practice, *94*(3), 311-321.

[60] Williams, R., et al. (2021). Prevention of diabetes-related blindness: A global priority. The Lancet, *398*(10312), 1875-1887.

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Published

2026-06-01

Data Availability Statement

Data used for this review is available from the corresponding author on reasonable request.

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How to Cite

Cost-Effective Strategies for the Prevention and Management of Diabetes Mellitus and Diabetic Retinopathy: A Comprehensive Review. (2026). Advances in Medical Sciences and Research, 1(2), 120-139. https://doi.org/10.55578/amsr.2606.009