Differences Exist in AI/AN anatomy and Eye Disease OD Vertical C/D = 0.48 +/-.18 (range 0.0-0.9) One person (0.3%) had IOP > 21 mm Hg (95%CI=0-1.0%) 15 (6.2%) participants had glaucomatous optic discs and visual fields (95%CI=2.1-7.8%).
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