Abstract
Purpose: :
To evaluate the effectiveness of non mydriatic digital fundus color photography as a screening method for diabetic retinopathy among the latino population.
Methods: :
We performed a cross-sectional study, diagnostic test type. A total of 95 patients (190 eyes) with diabetes were photographed using a digital nonmydriatic camera and examinated by a retina specialist after pupil dilation. The photographs were evaluated and compared with the clinical findings of diabetic retinopathy (DR) as recorded by retinal specialists.
Results: :
The prevalence of DR for the population studied was 45.26%. Digital fundus photographs were found to have a sensitivity, specificity, positive predictive value and negative predictive value of 83.75% (95% CI 75.04, 82.43), 93.88% (95% CI 88.62, 99.13), 91.78% (95% CI 84.80,98,77 ) and 87.62 (95% CI 80.84, 94.40), respectively, for detecting any retinopathy; 92% (95% CI 83.48, 100), 74.62% (CI 61.16, 100), 95.83% (95% CI 89.14, 100) and 73.33% (95% CI 47.62, 99.05), respectively, for classifying diabetic retinopathy; and 78.13% (95% CI 62.24,94.01), 78.57% (95% CI 53.51, 100), 89.29% (95% CI 76.04, 100) and 61.11% (95% CI 35.81, 86.41), respectively, for classifying non proliferative diabetic retinopathy.
Conclusions: :
These results suggest that fundus photographs taken by a nonmydriatic camera, are suitable for DR screening.
Keywords: diabetic retinopathy • imaging/image analysis: clinical • retina