In senile patients with sunken superior sulcus, involutional ptosis, and higher eyelid crease, a single operation to correct depression or ptosis cannot achieve good results. We demonstrated the anatomy of periorbital septum fibers, which may contribute to the levator muscle's volume depletion and dynamic power transmission disorder, and described a procedure for correcting upper-eyelid depression and blepharoptosis in senile patients. The fibrous webs in these patients connected the posterior aspect of the orbicularis and the orbital septum and extended to the orbital fat and levator aponeurosis. These fibers were dissected to release the periorbital septal fibers, and the orbital septal fat flap was transferred to the depressed region. Advancement or plication of the levator aponeurosis was performed in patients with uncorrected blepharoptosis after the procedures described above. The technique was applied to 13 Chinese patients (25 eyes) between May 2021 and April 2022. Postoperative magnetic resonance imaging revealed that the preaponeurotic fat was displaced forward and down to the upper margin of the tarsus, and the curvature of the upper-eyelid depression was significantly improved. Moreover, the superior sulcus deformity improved, the ptosis was corrected, and the uppermost crease decreased in all patients. No recurrence of ptosis or abnormal adhesion was observed. We believe this is the first study using magnetic resonance imaging to evaluate eyelid anatomy and the effects of surgery in this patient group. Releasing periorbital septum fibers is crucial for correcting a portion of the sunken eyelid and ptosis in Asians.
The average CFU/mL for the synthetic material was significantly lower compared with the xenograft BSs-4.43 × 10 8 and 8.20 × 10 8 , respectively.The average CFU/mL in t1 was 3.92 × 10 5 which was significantly lower than the average CFU/mL in t7-1.26 × 10 9 .
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