Research Article

Investigation of Retinal Microcirculation in Diabetic Patients Using Adaptive Optics Ophthalmoscopy and Optical Coherence Angiography

Table 2

Vascular parameters measured using both adaptive optics ophthalmoscopy and optical coherence ophthalmoscopy angiography in the four study groups ().

Studied parametersControlNo DR groupNPDR groupPDR group

Vessel diameter (μm)
Lumen diameter (μm)
Wall thickness (μm)
Wall to lumen ratio
Wall cross sectional area (μm2)
Foveal avascular zone (mm2)
Superficial capillary plexus density

Legend: DR: diabetic retinopathy; NPDR: nonproliferative diabetic retinopathy; PDR: proliferative diabetic retinopathy.