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Maintenance of normal fusion in intermittent exotropia.

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Title: Maintenance of normal fusion in intermittent exotropia.
Authors: Ma, Martin Ming‐Leung (AUTHOR), Kang, Ying (AUTHOR), Scheiman, Mitchell (AUTHOR), Chen, Qiwen (AUTHOR), Ye, Xuelian (AUTHOR), Chen, Xiang (AUTHOR)
Source: Ophthalmic & Physiological Optics. Jan2021, Vol. 41 Issue 1, p33-41. 9p. 1 Diagram, 2 Charts, 2 Graphs.
Subjects: Exotropia, Intraclass correlation, Chinese people, Ocular dominance, Maintenance
Abstract: Purpose: To evaluate the reliability of the Bagolini filter bar and striated lenses for measuring the fusion maintenance score, which is the ability of participants with intermittent exotropia to maintain normal sensorimotor fusion. Methods: Thirty‐two Chinese participants aged 7–20 years with intermittent exotropia (excluding the convergence insufficiency type) were enrolled in this prospective study. At the eligibility screening, visual acuity, cover test and assessment of the office control score were performed. At study visit 1, eligible participants underwent negative and positive fusional vergence tests at far and near, eye dominance test and the fusion maintenance test. All eligible participants returned for study visit 2 on the same day (2–4 h later) and the testing was repeated. The primary outcome measure was the intra‐class correlation coefficient of the fusion maintenance score between the two study visits. Results: The intra‐class correlation coefficient of the fusion maintenance score was 0.84, indicating good reliability. There was no significant difference (mean difference = 0.05, p = 0.95) between the fusion maintenance scores for the first (5.62) and second study visits (5.57). The coefficient of repeatability and the smallest detectable change for the fusion maintenance scores were 7.6 and 6.3, respectively. The fusion maintenance score was significantly associated with the distance (Spearman correlation −0.57, p < 0.001) and near (Spearman correlation −0.4, p = 0.02) office control scores. Conclusion: These data demonstrate that the fusion maintenance score is a reliable tool to evaluate sensorimotor fusion in intermittent exotropia. These results suggest that the fusion maintenance score may be a useful outcome measure in future clinical trials to evaluate the effectiveness of treatments for intermittent exotropia. [ABSTRACT FROM AUTHOR]
Copyright of Ophthalmic & Physiological Optics is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Maintenance of normal fusion in intermittent exotropia.
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  Data: &lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Ma%2C+Martin+Ming‐Leung%22&quot;&gt;Ma, Martin Ming‐Leung&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Kang%2C+Ying%22&quot;&gt;Kang, Ying&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Scheiman%2C+Mitchell%22&quot;&gt;Scheiman, Mitchell&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Chen%2C+Qiwen%22&quot;&gt;Chen, Qiwen&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Ye%2C+Xuelian%22&quot;&gt;Ye, Xuelian&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Chen%2C+Xiang%22&quot;&gt;Chen, Xiang&lt;/searchLink&gt; (AUTHOR)
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  Data: &lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Exotropia%22&quot;&gt;Exotropia&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Intraclass+correlation%22&quot;&gt;Intraclass correlation&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Chinese+people%22&quot;&gt;Chinese people&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Ocular+dominance%22&quot;&gt;Ocular dominance&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Maintenance%22&quot;&gt;Maintenance&lt;/searchLink&gt;
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Purpose: To evaluate the reliability of the Bagolini filter bar and striated lenses for measuring the fusion maintenance score, which is the ability of participants with intermittent exotropia to maintain normal sensorimotor fusion. Methods: Thirty‐two Chinese participants aged 7–20 years with intermittent exotropia (excluding the convergence insufficiency type) were enrolled in this prospective study. At the eligibility screening, visual acuity, cover test and assessment of the office control score were performed. At study visit 1, eligible participants underwent negative and positive fusional vergence tests at far and near, eye dominance test and the fusion maintenance test. All eligible participants returned for study visit 2 on the same day (2–4 h later) and the testing was repeated. The primary outcome measure was the intra‐class correlation coefficient of the fusion maintenance score between the two study visits. Results: The intra‐class correlation coefficient of the fusion maintenance score was 0.84, indicating good reliability. There was no significant difference (mean difference = 0.05, p = 0.95) between the fusion maintenance scores for the first (5.62) and second study visits (5.57). The coefficient of repeatability and the smallest detectable change for the fusion maintenance scores were 7.6 and 6.3, respectively. The fusion maintenance score was significantly associated with the distance (Spearman correlation −0.57, p &lt; 0.001) and near (Spearman correlation −0.4, p = 0.02) office control scores. Conclusion: These data demonstrate that the fusion maintenance score is a reliable tool to evaluate sensorimotor fusion in intermittent exotropia. These results suggest that the fusion maintenance score may be a useful outcome measure in future clinical trials to evaluate the effectiveness of treatments for intermittent exotropia. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: &lt;i&gt;Copyright of Ophthalmic &amp; Physiological Optics is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1111/opo.12758
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 9
        StartPage: 33
    Subjects:
      – SubjectFull: Exotropia
        Type: general
      – SubjectFull: Intraclass correlation
        Type: general
      – SubjectFull: Chinese people
        Type: general
      – SubjectFull: Ocular dominance
        Type: general
      – SubjectFull: Maintenance
        Type: general
    Titles:
      – TitleFull: Maintenance of normal fusion in intermittent exotropia.
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            NameFull: Ma, Martin Ming‐Leung
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              M: 01
              Text: Jan2021
              Type: published
              Y: 2021
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              Value: 41
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