Abstract
This study designed an efficient measurement method to evaluate the outcome of transconjunctival fat reposition in the tear trough and palpebromalar groove. A total of 41 patients (82 eyes) who underwent transconjunctival fat reposition surgery between January 2016 and March 2019 were retrospectively analyzed. Preoperative and postoperative (at least six months) standardized digital images were taken from the patients. A satisfaction survey was conducted on all patients. Their images were analyzed by using the Adobe Photoshop CS5 software. Ratios of the tear trough and palpebromalar groove were calculated. These data were analyzed by SPSS 20.0. The overall satisfaction rate was 90.2%. With a partition in the infraorbital region, a line graph showed that the location of the tear trough and palpebromalar groove moved to the upper squares postoperatively. The number of patients whose end points of the tear trough and palpebromalar groove located outside the midline of the pupil decreased by 30.5%. When we processed all the parameters of the preoperative and postoperative groups by profile analysis, a significant difference in the tear trough and palpebromalar groove before and after surgery was observed (right: F = 79.844, P = 0.000 < 0.01; left: F = 161.799, P = 0.000 < 0.01). Digital image analysis is feasible and useful in investigating the improvement of the tear trough and palpebromalar groove. The tear trough and palpebromalar groove shifted up and became shortened, which provided a more reliable evidence for lower eyelid rejuvenation.
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