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. Author manuscript; available in PMC: 2010 Mar 16.
Published in final edited form as: Invest Ophthalmol Vis Sci. 2008 Sep 12;50(1):175–179. doi: 10.1167/iovs.08-2393

Figure 2.

Figure 2

Comparison of maximum SO muscle cross-sectional area between right and left eyes. Ninety-five percent bivariate normal ellipse (gray) was computed from SO cross sections of 14 normal subjects. (○) Nine subjects clinically diagnosed with SO palsy but having almost normal SO cross-sectional area. (●) Eight subjects with clinically diagnosed SO palsy having subnormal SO cross-sectional area. (■) Data of 14 normal subjects. Solid line: linear regression through data points of the normal subjects with slope significantly differing from 0 (P < 0.0001).