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. 2018 Apr 18;7(2):23. doi: 10.1167/tvst.7.2.23

Figure 3.

Figure 3

Comparing ODR in arteries and veins. (A) Scatter plot illustrates ODR values of identified blood vessels in perifoveal retina of a single fundus image. A threshold can be added easily to clearly distinguish arterial and venous ODRs. (B) Average arterial and venous ODR values in a single fundus image. (C) Average arterial and venous ODR values for 50 fundus images used in this study. The average values are presented with corresponding standard deviations. ***P < 0.001 from Student's t-test.