TNF-Alpha Levels in Tears: A Novel Biomarker to Assess the Degree of Diabetic Retinopathy

<table>TNF-alpha levels in tears of the three different study groups. NPDR: non proliferative diabetic retinopathy; PDR: proliferative group diabetic retinopathy. The values are given as media and standard deviation.</table>

Mediators of Inflammation

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Figure 1

Figure 1: TNF-Alpha Levels in Tears: A Novel Biomarker to Assess the Degree of Diabetic Retinopathy 