The Effect of Eyebrow Asymmetry by Ptosis Correction Operation on Senile Upper Lid Ptosis Patients

Purpose: To evaluate the effect of a ptosis correction operation on eyebrow position of senile upper lid ptosis patients.Methods: A retrospective study of 140 eyes of 70 patients who had a ptosis correction operation between June 2011 and July 2018 was conducted.Marginal reflex distance 1 and brow height were measured preoperatively and at 1 month and 3 months postoperatively.Patients were divided into two groups, according to whether brow height asymmetry was symmetrized (≤1 mm) or not after the operation.Results: The average brow height decreased after the operation (19.3-18.3mm, p = 0.00), as did the brow height symmetricity (2.7-2.3 mm, p = 0.01).The symmetric group were older and had a higher female ratio than the asymmetric group, as well as a smaller preoperative brow symmetricity.Conclusions: Brow height and brow asymmetry were reduced by ptosis correction of senile upper lid ptosis patients.The symmetrization rate was higher in patients who were older, female, and who had smaller preoperative brow symmetricity.