Clinical & experimental ophthalmology · 2017
Modified loop myopexy technique for severe high myopic strabismus fixus.
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Zou Leilei, Liu Shuai, Liu Rui, Yao Jing, Liu Yan, Lin Jing, Liu Hong
Аннотация
IMPORTANCE: This study introduces a modified loop myopexy technique for severe high myopic strabismus fixus.
BACKGROUND: This study aims to evaluate the surgical results of loop myopexy with or without medial rectus recession for the treatment of patients with myopic strabismus fixus.
DESIGN: This is a retrospective study in a Chinese teaching hospital.
PARTICIPANTS: Data was collected from 25 myopic strabismus fixus patients (33 eyes) with restriction in both abduction and sursumduction.
METHODS: First, the loop myopexy technique was performed. Following the loop myopexy technique, a medial rectus recession was performed if esotropia remained. If esotropia and/or hypotropia still persisted, second-stage surgery of the contralateral eye was performed.
MAIN OUTCOME MEASURES: The main outcome measures were ocular deviations, eye movements and the angles of dislocation of the globe.
RESULTS: At the last follow-up, mean deviation of esotropia was significantly improved (10 vs. 92 PD; p = 0.000), while mean deviation of hypotropia was improved (6 vs. 32 PD; p = 0.008). Mean abduction limitation was improved (-2.7 vs. -5.0; p = 0.000); mean elevation limitation improved (-3.2 vs. -5.0; p = 0.000). The angle of dislocation of the globe was significantly decreased (103.0 vs. 235.3 D; p = 0.002).
CONCLUSIONS AND RELEVANCE: Modified Yokoyama's surgery effectively corrected the restrictive esotropia and hypotropia, restored the dislocated globe back into the muscle cone and improved the eye movement in severe myopic strabismus fixus.
BACKGROUND: This study aims to evaluate the surgical results of loop myopexy with or without medial rectus recession for the treatment of patients with myopic strabismus fixus.
DESIGN: This is a retrospective study in a Chinese teaching hospital.
PARTICIPANTS: Data was collected from 25 myopic strabismus fixus patients (33 eyes) with restriction in both abduction and sursumduction.
METHODS: First, the loop myopexy technique was performed. Following the loop myopexy technique, a medial rectus recession was performed if esotropia remained. If esotropia and/or hypotropia still persisted, second-stage surgery of the contralateral eye was performed.
MAIN OUTCOME MEASURES: The main outcome measures were ocular deviations, eye movements and the angles of dislocation of the globe.
RESULTS: At the last follow-up, mean deviation of esotropia was significantly improved (10 vs. 92 PD; p = 0.000), while mean deviation of hypotropia was improved (6 vs. 32 PD; p = 0.008). Mean abduction limitation was improved (-2.7 vs. -5.0; p = 0.000); mean elevation limitation improved (-3.2 vs. -5.0; p = 0.000). The angle of dislocation of the globe was significantly decreased (103.0 vs. 235.3 D; p = 0.002).
CONCLUSIONS AND RELEVANCE: Modified Yokoyama's surgery effectively corrected the restrictive esotropia and hypotropia, restored the dislocated globe back into the muscle cone and improved the eye movement in severe myopic strabismus fixus.