1. DIABETIC MACULAR ISCHEMIA Correlation of Retinal Vasculature Changes by Optical Coherence Tomography Angiography and Functional Deficit

    DIABETIC MACULAR ISCHEMIA Correlation of Retinal Vasculature Changes by Optical Coherence Tomography Angiography and Functional Deficit

    Purpose: To examine the relationship between macular microvasculature parameters and functional changes in persons with diabetic retinopathy (DR). Methods: Cross-sectional study of 76 eyes with varying levels of DR. Optical coherence tomography angiography (OCTA) quantified superficial and deep perifoveal vessel densities and foveal avascular zone areas. Retinal sensitivity was measured using microperimetry . Optical coherence tomography angiography parameters and retinal sensitivity were correlated. Results: Deep perifoveal vessel density decreased with increasing severity of DR (adjusted mean 51.93 vs. 49.89 vs. 47.96, P -trend = 0.005). Superficial and deep foveal avascular zone area increased with increasing DR severity (adjusted ...

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