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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: Microvasc Res. 2012 Oct 16;85:134–137. doi: 10.1016/j.mvr.2012.10.003

Figure 3. The microvasculature of the human conjunctiva.

Figure 3

A: An RFI image showing vessels on the temporal region of the conjunctiva. B: nCPM of the same region. C: Quantification of the conjunctival blood-flow velocity expressed in mean ± SD (unit: mm/s). The images show several arteries (red) and veins (pink) that were confirmed by viewing the flow movie from the same region. Note that negative values (red) indicate blood flow moving away from the heart and that the vessels are arteries. Positive values (pink) represent the veins. D: A single frame of a flow movie showing erythrocyte clusters (black) and gaps (white) moving in the small vessels marked as yellow arrow. Red arrow: artery; Pink arrow: Vein.