Object To evaluate whether the results of the health-related quality of life (HRQOL) is associated with the various clinical aspects of intermittent exotropia in children. Methods The HRQOL of children and their parents was evaluated prospectively using the Intermittent Exotropia Questionnaire (IXTQ). The deviation angle, stereo function, sensory fusion, and strabismus control were measured. Results Two hundred and sixty six children with intermittent exotropia (aged 5-17 years) were included in the study. Child HRQOL was significantly correlated with clinical severity; lower IXTQ scores were associated with a larger deviation (p < 0.001 both for distance and near) and poorer Newcastle control scores (p < 0.001). Proxy child HRQOL was significantly correlated with the deviation (p < 0.001), Newcastle control scores (p < 0.001) and stereo function (p < 0.05). Parent HRQOL was associated with their child's deviation (p < 0.01) and stereo function (p < 0.005). Multiple linear regression analysis suggested that the deviation angle at distance and the Newcastle control score at home were associated with the child's HRQOL. Conclusion Both the child and their parents' HRQOL showed a trend toward correlating with clinical severity. Large deviation, poor control, and poor stereo function were significantly associated with lower IXTQ scores. The deviation angle at distance and exotropia control at home were associated with the child's HRQOL.
Purpose To investigate the longitudinal changes in myopia from onset to stabilization in school‐aged children with single‐vison lenses (SVLs). Methods The medical records of patients wearing SVLs with long‐term follow‐up data between 2006 and 2016 were retrospectively reviewed. The patients who were 6–10 years old at the initial visit and 16 years old at the last assessment were included and analysed. The periods of progression and stabilization of myopia were evaluated by plotting fitted curves of the changes in spherical equivalent (SE). Results Seven hundred and seventy‐three patients (median initial age 9 years) were accessed over an average of 7 years (IQR, 6–7 years). The initial mean SE was −1.92 ± 1.57 D and increased to −6.05 ± 2.14 D at 16 years old. The average age at myopia stabilization was 14.6 years, and girls slightly stabilized earlier than boys. 73.7% of the 6‐year‐olds and 85.7% of the 7‐year‐olds had high myopia at 16 years old, and the risk decreased each year from 7 to 10 years old. Children who had SE greater than −4 D up to 10 years had 89.0% risk of high myopia at 16 years old. Children with SE between −0.5 D and −2 D still had 34% risk of developing high myopia at 16 years old. Conclusion This study provides a comprehensive picture of myopia progression from onset to stabilization in school‐aged children with SVLs in China. All children who have myopia onset below 10 years of age were at risk for high myopia, and children who have myopia onset below 8 years of age require more attention.
Background Intermittent exotropia (IXT) is the most common type of exotropia in China. Surgery is usually required to align the eye deviation to maintain or obtain better binocular visual function. However, there is a high rate of exodrift or recurrence in surgically treated patients. Orthoptic therapy is sometimes recommended for IXT patients after surgery. However, there is a lack of high-quality randomized controlled trials to prove that orthoptic therapy could be an effective supplement to surgical treatment for IXT patients. The main purpose of this study is to test the clinical effectiveness of orthoptic therapy in long-term stabilization of postoperative IXT patient. This report describes the design and methodology of the Intermittent Exotropia Postoperative Treatment Clinical Trial, which is the first large-sample, blank-controlled, randomized clinical trial. Methods A total of 136 IXT patients (aged 7 to 17 years) will be enrolled and assigned to the orthoptic therapy group or blank control group according to a simple randomization scheme. Patients in the orthoptic therapy group will receive at least 2 months of orthoptic therapy, such as anti-suppression, vergence, and accommodation training. Patients in the blank control group will receive only refractive correction. All enrolled patients will need regular follow-up observation until 24 months after surgery. The primary outcome will be the proportion of participants meeting suboptimal surgical outcomes in this 24-month follow-up, which is defined as (1) exodeviation of 10 prism diopters (PD) at distance or near using the simultaneous prism and cover test (SPCT) or (2) loss of 2 or more octaves of stereoacuity from baseline, at any masked follow-up visit examination. The secondary outcomes will be the exodeviation at distance and near using the simultaneous prism and alternate cover test (PACT), magnitude of fusional convergence, stereoacuity, and accommodation. Measurements will be taken at baseline and at the 6-, 12-, 18-, and 24-month follow-ups. Discussion To the best of our knowledge, this will be the first prospective, randomized controlled study of orthoptic training in IXT patients after surgery. The aim of this work is to confirm the efficacy of orthoptic therapy in reducing the proportion of recurrence among IXT patients after surgery and improving binocular vision function. Trial registration Chinese Clinical Trial Registry ChiCTR1900026891. Registered on 25 October 2019.
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