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The right eye of a patient with a low crease. (A) The upper eyelid skin is stretched by pulling the eyebrow upward. The dense skin–orbicularis oculi muscle– (OOM–) tarsus complex (asterisk) is visible from eyelashes to the upper lid crease. (B) When the brow is pushed downward, the skin over the dense complex does not move, but the skin above the crease moves downward and folds over the dense complex creating upper eyelid crease and fold.
