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ArticleJapanese journal of ophthalmology2025

Reliability and validity of pre- and post-operative health-related quality of life in strabismus patients using the Japanese version of the adult strabismus questionnaire (AS-20).

Shinya Takahashi, Toshiaki Goseki, Shingo Noda, Toru Kawanobe, Eri Ishikawa, Yuichiro Tanaka, Tadahiko Kozawa

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Article in Japanese journal of ophthalmology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Responsiveness and minimal important change of the Dutch Adult Strabismus-20 Questionnaire (Dutch-AS-20).Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation · 2026
    Article
  2. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Shinya TakahashiKozawa Eye Hospital and Diabetes Center, 246-6, Yoshizawa-cho, Mito, Ibaraki, 310-0845, Japan.
Toshiaki GosekiKozawa Eye Hospital and Diabetes Center, 246-6, Yoshizawa-cho, Mito, Ibaraki, 310-0845, Japan. goseki@iuhw.ac.jp.ORCID http://orcid.org/0000-0001-9016-8015
Shingo NodaKozawa Eye Hospital and Diabetes Center, 246-6, Yoshizawa-cho, Mito, Ibaraki, 310-0845, Japan.
Toru KawanobeKozawa Eye Hospital and Diabetes Center, 246-6, Yoshizawa-cho, Mito, Ibaraki, 310-0845, Japan.
Eri IshikawaKozawa Eye Hospital and Diabetes Center, 246-6, Yoshizawa-cho, Mito, Ibaraki, 310-0845, Japan.
Yuichiro TanakaKozawa Eye Hospital and Diabetes Center, 246-6, Yoshizawa-cho, Mito, Ibaraki, 310-0845, Japan.
Tadahiko KozawaKozawa Eye Hospital and Diabetes Center, 246-6, Yoshizawa-cho, Mito, Ibaraki, 310-0845, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThis study aimed to translate the Adult Strabismus-20 (AS-20) questionnaire into Japanese, creating the JAS-20, to assess health-related quality of life (HRQOL) in Japanese strabismus patients for the first time. The HRQOL was compared between patients with strabismus and those with non-strabismus mild eye diseases to evaluate HRQOL changes pre- and post-strabismus surgery. STUDY

designProspective cohort study.

methodsThe AS-20 was translated into Japanese according to international standards by bilingual health professionals. Participants were recruited from an ophthalmology hospital near Tokyo between May 2022 and August 2023. They included adults over 18 years with strabismus (strabismus group) and those with mild eye diseases without strabismus (control group). Patients with strabismus undergoing surgery were reassessed using the JAS-20 two months after operation. Analyses included comparisons between strabismus and control groups, the presence of diplopia within the strabismus group, and pre- versus post-surgery evaluations.

resultsThe study included 239 patients: 168 in the strabismus group (114 with diplopia and 54 without diplopia) and 71 in the control group. The strabismus group showed significantly lower JAS-20 scores than the control group, indicating a reduced HRQOL. The patients without diplopia scored lower on the psychosocial scale, whereas those with diplopia scored lower on the functional scale. Despite significant post-surgery HRQOL improvements, strabismus patient scores remained below the control group levels.

conclusionsStrabismus affects HRQOL in Japanese patients; it affects functional aspects in patients with diplopia and psychosocial aspects in those without diplopia. Although surgical intervention significantly enhanced HRQOL, it did not equalize with the control group's HRQOL.

Indexed as

Oculomotor MusclesOphthalmologic Surgical ProceduresQuality of LifeStrabismusVision, BinocularAdultAgedEast Asian PeopleFemaleFollow-Up StudiesHumansJapanMaleMiddle AgedPostoperative PeriodPreoperative PeriodAdult Strabismus-20DiplopiaHealth-related quality of lifeQuestionnaireStrabismus surgery

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.