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Comparing Three Models of Community-Based Diabetic Retinopathy Screening, Treatment, and Awareness Creation Services
Manoj Soman1, Sameer Iqbal1, A P Abdul Nizar1
1Department of Vitreo Retinal Services, Chaithanya Eye Hospital and Research Institute, Thiruvananthapuram, Kerala, India.
Background:
The aim of the study was to evaluate the effectiveness of three models of diabetic retinopathy (DR) screening from an economic perspective and their effectiveness in awareness creation, screening, and ability to deliver treatment.
Materials And Methods:
Analysis of a prospective screening program for diabetes mellitus and DR in South Kerala was done. Three models were created: Model 1: blood screening camp, Model 2: comprehensive eye camp, and Model 3: institution-based screening camp.
Results:
Forty-seven camps were conducted in Model 1, 438 in Model 2, and 18 in Model 3. Of 94,993 people screened, the percentage of diabetes was 17.4. Of the diabetics screened, the percentage of retinopathy was 22.8. Model 1 was most economically viable to detect a large number of new diabetics. Model 2 was more economically challenging but had the best overall pickup rate for new DR patients. Model 3 had a lesser pickup of new DR patients.
Conclusion:
Model 1 is effective in picking up new diabetics but poor for DR screening. Model 3 is cost-efficient with very high DR detection rates. Cost-effective screening activities and service delivery are best achieved through a well-planned Model 2 camp which has the best overall detection rate for DR.
