Background: The distinctive features of Oriental eyes are narrow palpebral aperture and upslanting lower eyelid margin, which are not in accordance with modern appreciation of beauty. Although many ophthalmic plastic procedures have been designed to change the characteristic appearance, the methods to enlarge the palpebral aperture by lowering the lower eyelid are limited.
Methods: A total of 63 Chinese patients received the lowering the lower eyelid procedure from April 2014 to August 2018. The main criteria are patients who have vertically narrow palpebral aperture with or without upslanting lower eyelid shape. But patients who have proptosis or unhealthy lower eyelid elasticity are not suitable for this procedure. The operation is performed by suturing the lower tarsal plate and the infraorbital periosteum together, adjusting the tension of knots to reach the patient's desire for the shape of lower eyelid margin, and finally tightening all the knots.
Results: The lateral lower eyelid margin was lowered and the lateral part of the palpebral aperture was enlarged in all cases (P < 0.01). Only five patients (7.9%) were not fully satisfied because of the partial retraction of the lateral eyelid margin. Minor complications were observed, of which conjunctival chemosis in three patients (4.8%) and conjunctival hemorrhage in two patients (3.2%).
Conclusion: Lowering the lower eyelid procedure is an effective and safe approach for patients who desire to smooth the upslanting shape and enlarge the eyes. The strict criteria and careful preoperative evaluations are critical to avoid complications and achieve good outcomes for Chinese patients.
Keywords: Lower eyelid; Palpebral aperture; Vertical enlargement.
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