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With aging, there appears to be a pattern of differential fat pad alteration. This study shows that in the upper eyelids of patients >70 years of age, the medial fat pad becomes prominent whereas the central fat pad atrophies. Teleologically, the relative preservation of nasal fat may be due to its higher abundance of neural-crest progenitor cells. Clinically, this finding has implications in esthetic and functional upper eyelid blepharoplasty.

Surgical repair of blow-out fractures of the orbit occurring more than 6 weeks or more from injury can achieve marked improvement in both the functional and cosmetic aspects. The likelihood of induced diplopia is low. Orbital floor fracture repair should be considered to successfully treat enophthalmos or diplopia in patients with delayed clinical presentation, even decades postinjury.

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