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1·Compared the POAG group with control one, the Vv and Ss ofcapillaries in ONH were significantly reduced (P<0.05), The morphometer NA in POAG group was no different with control (P>0.05).

病例组血管管径减小，血管的体积密度和相对面积比率均较对照组显著降低（P<0.05），而两组的血管数量密度无明显改变（P>0.05）。