Prognostic factors predicting the surgical outcome of bilateral lateral rectus recession surgery for patients with infantile exotropia

Yam, Jason C.; Chong, Gabriela S. L.; Wu, Patrick Kw; Wong, Ursula S. F.; Chan, Clement Wn; Ko, Simon Tak Chuen

doi:10.1007/s10384-013-0262-8

Cited by 12 publications

(16 citation statements)

References 9 publications

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“…The outcome of strabismus surgery in Asian countries has been reported by researchers in Thailand, Korea, Hong Kong and China [3][4][5][6][7][8]. However, apart from Thailand, we found no other data from South East Asian countries [3].…”

Section: Introductionmentioning

confidence: 53%

“…Reported success rates of strabismus surgery vary widely, ranging from 35.6 to 80.5% [3][4][5][6][7][8].…”

Section: Discussionmentioning

confidence: 99%

“…However, the criteria for successful surgery vary among researchers. Most researchers defined according to motor criteria, or a post-operative deviation of 5-10 prism dioptre esotropia or 10-15 prism dioptre exotropia [3][4][6][7]. Table 4 summarizes published reports of strabismus surgery outcome in Asian countries over the past 15 years, including our study.…”

Section: Discussionmentioning

confidence: 99%

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Visual outcome and factors influencing surgical outcome of horizontal strabismus surgery in a teaching hospital in Malaysia: a 5-year experience

Waheeda-Azwa

Ibrahim

Tai

et al. 2018

Preprint

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Background: The available data on strabismus surgery in South East Asian countries is scarce. This study aimed to identify visual outcome and factors influencing surgical outcome of horizontal strabismus surgery in a South East Asian cohort. Methods: A retrospective review of patients who underwent horizontal strabismus surgery between 2013 and 2017 in Hospital Universiti Sains Malaysia was conducted. Surgery was considered successful if the post-operative deviation was within 10 prism dioptres at six months post-operative period. Factors influencing outcome of surgery at six months were identified. Chi-square and Fisher exact test were used in data analysis. Results: 98 patients were included. Both genders were equally affected. Exotropia (58.2%) was the most common type. 65.3% of patients had alternating strabismus, while 51.0% had angle of deviation more than 45 prism diopters. Amblyopia was documented in 14.3% of patients. Those operated upon below 10 years of age comprised 64.3%. Ninety four patients completed follow-ups at six months after the surgery. The success rate was 81.6%. Approximately 92% of the patients had best corrected visual acuities of 6/12 and better at six months post-operative period. There was no significant association between age of onset, gender, presence of amblyopia, type of deviation, amount of deviation and post-operative best corrected visual acuity with surgical outcome at six months post-operative period (p>0.05). Conclusions: The success rate was good. Post-operative best corrected visual acuity was promising. Age of onset, gender, presence of amblyopia, type of deviation, amount of deviation and post-operative best corrected visual acuity did not influence the outcome of horizontal strabismus surgery in our review. Keywords: Visual outcome, horizontal strabismus surgery, factors influencing surgical outcome

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Section: Introductionmentioning

confidence: 53%

“…Reported success rates of strabismus surgery vary widely, ranging from 35.6 to 80.5% [3][4][5][6][7][8].…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Visual outcome and factors influencing surgical outcome of horizontal strabismus surgery in a teaching hospital in Malaysia: a 5-year experience

Waheeda-Azwa

Ibrahim

Tai

et al. 2018

Preprint

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“…However, the factors that predict the long-term surgical success of early-onset exotropia have not been well established [34]. Although smaller preoperative deviation was found to be associated with more favorable out-comes at 6 weeks after surgery, smaller preoperative deviation did not guarantee the long-term outcome at 1 year following operation, according to results from a study by Yam et al [3] and Park and Kim [4] also reported that no single preoperative factor affected the surgical outcome of early-onset exotropia at 1 year after surgery. Among patients who showed exotropia within the first year of life, age of onset did not influence the surgical outcome ( p = 0.488).…”

Section: Discussionmentioning

confidence: 99%

“…Exotropia in healthy children younger than 1 year of age is rare, and several studies have been conducted on this disease entity [1234567]. Occlusion therapy alone is not sufficiently effective in reducing exodeviation, and surgery is the most promising treatment for early-onset exotropia as well as intermittent exotropia [8].…”

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confidence: 99%

The Effect of Preoperative Occlusion Therapy on Long-term Outcome after Surgery for Early-onset Exotropia

Shin

Kim

Paik

2017

Korean J Ophthalmol

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PurposeTo investigate the effect of preoperative part-time occlusion therapy on long-term surgical success in early-onset exotropia.MethodsThe medical records of patients who underwent surgery for exotropia with onset before the first year of age and who were followed for ≥3 years were reviewed. Patients were divided into two groups according to the degree of compliance with part-time occlusion therapy: the good compliance group (>50% adherence rate) and the poor compliance group (≤50% adherence rate). Surgical success was defined as orthophoria to exodeviation less than 10 prism diopters both at distance and near. The level of postoperative stereopsis was compared between the two study groups among total enrolled patients and among those with constant exotropia.ResultsOf the 51 patients, 26 were assigned to the good compliance group and the remaining 25 patients to the poor compliance group. The surgical success rate was significantly higher in the good compliance group than in the poor compliance group (80.8% vs. 52.0%, p = 0.040). Among 24 constant exotropia patients (12 patients for each group), the success rate was insignificantly higher in the good compliance group than in the poor compliance group (75.0% vs. 58.3%, p = 0.448). The good compliance group had a better level of stereopsis than the poor compliance group (p = 0.045 for all 44 patients, p = 0.020 for 19 patients with constant exotropia).ConclusionsPreoperative part-time occlusion therapy was useful for improving the surgical outcome of early-onset exotropia and postoperative stereopsis.

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Optimal surgical timing in infantile exotropia

Yoo

Kim

2014

Canadian Journal of Ophthalmology

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Prognostic factors predicting the surgical outcome of bilateral lateral rectus recession surgery for patients with infantile exotropia

Abstract: Smaller presurgery deviation was found to be associated with more favorable surgical outcome.

Cited by 12 publications

References 9 publications

Visual outcome and factors influencing surgical outcome of horizontal strabismus surgery in a teaching hospital in Malaysia: a 5-year experience

Visual outcome and factors influencing surgical outcome of horizontal strabismus surgery in a teaching hospital in Malaysia: a 5-year experience

The Effect of Preoperative Occlusion Therapy on Long-term Outcome after Surgery for Early-onset Exotropia

Optimal surgical timing in infantile exotropia

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