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. Author manuscript; available in PMC: 2010 Jun 8.
Published in final edited form as: J AAPOS. 2008 Oct 4;12(6):602–607. doi: 10.1016/j.jaapos.2008.06.012

FIG 4.

FIG 4

High-resolution quasisagittal MRI of the right (A) and left (B) orbit of the same subject as in Figure 2. A decrease in the cross-sectional area of inferior oblique muscles (OD 9.514 mm2 and OS 8.698 mm2) is noted. Inferior oblique muscle cross section was determined at the most temporal part of the straight path found in the quasi-sagittal image plane, passing through the center of the inferior rectus muscle that travels in this plane. C, Sagittal-view MRI of a normal age-matched control patient. Note the larger size of inferior oblique muscle. IO, inferior oblique.