Related Experiment Video
Updated: Feb 9, 2026

Tear-Derived Exosomal miR-15a as New Diagnostic Tool for Diabetic Retinopathy
Published on: December 30, 2025
EVALUATION OF MULTISPECTRAL IMAGING IN DIAGNOSING DIABETIC RETINOPATHY
1Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, P.R. China.
Purpose:
To investigate multispectral imaging (MSI) as a novel diagnostic approach for diabetic retinopathy (DR) in clinic.
Methods:
A total of 50 Type-2 diabetic patients (99 eyes) were enrolled in this cross-sectional study. All subjects underwent digital fundus photography (DFP), MSI, and fundus fluorescein angiography. A total exact agreement, sensitivity, specificity, positive predictive value, and negative predictive value of no DR/mild nonproliferative diabetic retinopathy (NPDR) and severe NPDR/proliferative diabetic retinopathy (PDR) grading were calculated based on DFP and MSI and were compared with fundus fluorescein angiography.
Results:
Compared with fundus fluorescein angiography, the exact agreement for MSI was 0.835; for DFP, it was 0.614; the sensitivity for no DR/mild NPDR in both MSI and DFP was 100%, and for severe NPDR/PDR, it was 97.4% and 88.3%. The specificity for no DR/mild NPDR in MSI and DFP was 96.3% and 95%, and for severe NPDR/PDR, it was 100% in both. The positive predictive value for no DR/mild NPDR in MSI and DFP was 86.4% and 82.6%, and for severe NPDR/PDR, it was 100% in both; the negative predictive value for no DR/mild NPDR in MSI and DFP was 100%, and for severe NPDR/PDR, it was 91.7% and 71.0% in both.
Conclusion:
Multispectral imaging displayed an excellent agreement with fundus fluorescein angiography in DR grading, which suggested that it might serve as a new diagnostic technique and an informative tool for evaluating DR.
More Related Videos
08:10An Ex Vivo Tissue Culture Model for Fibrovascular Complications in Proliferative Diabetic Retinopathy
Published on: January 25, 2019
08:40Quantitation of Protein Expression and Co-localization Using Multiplexed Immuno-histochemical Staining and Multispectral Imaging
Published on: April 8, 2016
Related Concept Videos
Diagnosing Acidosis and Alkalosis
First, the pH level is assessed to determine whether the blood pH is normal (7.35–7.45), low (acidosis), or high (alkalosis).
Next, the PCO2 and...
Pathophysiology of Diabetes
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility,...
Diabetes: Management and Pharmacotherapy
Insulin remains the cornerstone of treatment for most patients with type 1 and many...
Psychoneuroimmunology: Diabetes and Cancer
Diabetes: Symptoms, Diagnosis, and Complications
Diabetes Mellitus: Type 2 and Gestational