Da Zou, Kexin Wang, Gangjun Liu, Qiushi Ren, Yanye Lu. Noninvasive Measurement of Retinal Oxygen Saturation and Vessel Diameter Changes in Diabetes Mellitus Patients[J]. Laser & Optoelectronics Progress, 2020, 57(5): 051701
- Laser & Optoelectronics Progress
- Vol. 57, Issue 5, 051701 (2020)
Fig. 1. Extinction coefficient of HbO2 and Hb at different wavelengths
Fig. 2. Fundus images at wavelengths of 570 nm and 600 nm
Fig. 3. Selection method of peripapillary ring area for the fundus functional analysis. (a) Fundus image opened with Oxymap Analyzer software; (b) delineation of ring area measurement area; (c) marked exclusionary areas; (d) selected arteries for analysis
Fig. 4. Changes in retinal arterial and venous oxygen saturation in healthy control and NDR patients
Fig. 5. Changes in retinal arterial-venous oxygen saturation differences in healthy control and NDR patients
Fig. 6. Changes in diameter of arteries and veins both in healthy control and NDR patients
Fig. 7. Difference in AVR between healthy control and NDR patients
Fig. 8. Changes in retinal foveal avascular zone area for healthy control and NDR patients
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