Subclinical Upper Eyelid Ptosis in Asian Patients: The Role of Levator Advancement in Optimizing Outcomes in "Cosmetic" Upper Blepharoplasty.

[BACKGROUND] Subclinical ptosis is prevalent in Asian patients presenting for aesthetic upper blepharoplasty. To achieve predictable and satisfactory results in these patients, addressing the ptosis component is critical. In this paper, we present a precision levator advancement technique that enabled us to predictably incorporate the levator advancement into our upper blepharoplasty to deliver more predictable results in these patients.

[MATERIALS AND METHODS] Asian patients with normal or near normal margin to reflex distance 1 (MRD 1 of ≥ 3.5 mm) and symptoms and signs of straining of the frontalis with eyelid opening were diagnosed with subclinical upper eyelid ptosis and included in this prospective study. The advancement required was estimated pre-operatively using a formula that we developed. Our surgical technique is presented in detail here, and our long-term results were analysed.

[RESULTS] From December 2019 to August 2022, 97 patients were included in this study. Sixty-five patients were primary cases and 32 were revision cases. The mean follow-up was 15 months. Of the 192 eyelids analysed, our formula was able to correctly identify the required fixation location in 69% of eyelids. In majority of the eyelids (94%), the correct location of fixation location within +/- 1 mm of the estimated location. All patients (100%) were satisfied with their long-term results. Our revision rate was 3%.

[CONCLUSIONS] Incorporating a precisely done levator advancement into the upper blepharoplasty in patients with subclinical ptosis is critical for optimizing the aesthetic and functional outcomes. This approach has enabled us to perform this procedure greater predictably in this group of patients.

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