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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f10_45_10960

©2013 UpToDate ® Print Email Patient with ptosis of the right upper lid secondary to levator dehiscence Note the absence of the right upper lid crease. The patient is raising the right eyebrow to try and compensate for the ptosis. The left lid shows pseudoretraction because of Hering's law of equal innervation. Courtesy of Michael S Lee, MD.