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JOURNAL ARTICLE

Locking Y Lateral Canthopexy as a Treatment for Dry Eye Disease Caused by Eyelid Malposition

Leticia Ortega-Evangelio, Cristina Peris-Martínez, Amelia Marco-Campmany, Joaquín Ortega-Serrano, Juan M Tomás-Torrent
Ophthalmic Plastic and Reconstructive Surgery 2020 March 19
32205777

PURPOSE: The signs and symptoms of dry eye disease (DED) can affect the quality of life of patients. This study analyzes whether locking Y lateral canthopexy improves patients' quality of life and in what way it does so (based on the ocular surface disease index questionnaire) and DED signs (measured by the fluorescein breakup time, tear osmolarity, Schirmer test, and corneal staining) in patients with DED caused by a eyelid malposition or impaired blink dynamics.

METHODS: This was a case-control study. Forty eyes of 20 patients with DED and lateral canthal disinsertion examined at the University Hospital La Ribera during a 1-year period from November 2016 to November 2017. The 40 eyes were divided into 2 groups: Group 1 eyes that underwent locking Y lateral canthopexy (i.e., a plication of the superficial lateral canthal tendon to the lateral orbital rim periosteum); and group 2 eyes that underwent observational treatment, without surgery. Symptoms and signs in OU were recorded separately at baseline and 1 month after surgery.

RESULTS: One month after surgery, the ocular surface disease index reduced in group 1 eyes when compared with those of group 2 (p = 0.001), fluorescein breakup time showed an improvement in the operated eyes (group 1) (p < 0.001) and corneal staining was reduced in group 1 after surgery (p = 0.012). The osmolarity results did not change when compared with eyes from group 2 (p < 0.001).

CONCLUSIONS: Locking Y lateral canthopexy is an effective surgical technique for treating patients with evaporative dry eye caused by a lateral canthal tendón disinsertion by restoring proper eyelid closure and improving blinking dynamics. It improves DED signs and symptoms, thereby enhancing the quality of life of patients.

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