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. Author manuscript; available in PMC: 2011 May 4.
Published in final edited form as: Optom Vis Sci. 2009 Aug;86(8):E936–E942. doi: 10.1097/OPX.0b013e3181b2f582

FIGURE 1.

FIGURE 1

Open eye SS PO2. Data are mean ± SD (n = 15); also includes polymacon lenses (Dk/t = 4.2 and 12).11 Solid line is a hyperbolic fit, PO2 = a × (Dk/t)/[b + (Dk/t)], where a = 140.6, b = 32.1. Benjamin curve from (ref. 14). Brennan curve from (ref. 9). Horizontal dashed line represents 155 torr.