Abstract:
PURPOSE:The present study aimed to investigate and compare the psychometric properties of the National Eye Institute Visual Functioning Questionnaire-25 (NEI VFQ-25) and the Visual Function Index-14 (VF-14) in a large sample of patients with cataracts. METHODS:A total of 1052 patients with bilateral age-related cataracts were recruited in the study. Patients with other comorbidities that severely impacted vision were excluded. Participants completed the two questionnaires in random order. Classical test theory and Rasch analyses were used to assess the psychometric properties of the questionnaires. RESULTS:Complete data were obtained from 899 patients. The mean overall index score on the NEI VFQ-25 was 76.1 ± 19.0, while that on the VF-14 was 46.5 ± 15.0. Cronbach's α-values for the NEI VFQ-25 and VF-14 were 0.89 and 0.95, respectively. Ceiling effects were observed on nine of the 12 subscales in the NEI VFQ-25. The correlation between total scores on the NEI VFQ-25 and VF-14 was moderate (r = 0.600; p < 0.001), and subscales of the NEI VFQ-25 were weakly or moderately correlated with the similar domains on the VF-14. Rasch analysis revealed ordered category thresholds and sufficient person separation for both instruments, while the two questionnaires had critical deficiencies in unidimensionality, targeting and differential item functioning. CONCLUSION:Neither the NEI VFQ-25 nor VF-14 is optimal for the assessment of vision-related quality of life in typical Chinese patients with cataracts. The potential deficiencies of the questionnaires should be taken into consideration prior to application of the instruments or interpretation of the results.
journal_name
Acta Ophthalmoljournal_title
Acta ophthalmologicaauthors
Wan Y,Zhao L,Huang C,Xu Y,Sun M,Yang Y,An L,Lv S,Yu Y,Chen D,Zhou P,Wang Y,Zhang M,Jiang A,Chen Z,Li Xdoi
10.1111/aos.14606subject
Has Abstractpub_date
2020-09-17 00:00:00eissn
1755-375Xissn
1755-3768pub_type
杂志文章abstract:PURPOSE:To explore the association between retinal vein occlusion (RVO) and incident cancer. METHODS:All Danish citizens with a first-time diagnosis of RVO and no previous diagnosis of cancer in the period from 1 January 2004 to 31 December 2014 were included. Five likewise cancer-free, age- and gender-matched control...
journal_title:Acta ophthalmologica
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doi:10.1111/aos.13860
更新日期:2018-12-01 00:00:00
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pub_type: 杂志文章
doi:10.1111/aos.14332
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pub_type: 临床试验,杂志文章
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pub_type: 历史文章,杂志文章
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pub_type: 杂志文章,随机对照试验
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journal_title:Acta ophthalmologica
pub_type: 杂志文章
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journal_title:Acta ophthalmologica
pub_type: 杂志文章,评审
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更新日期:2015-08-01 00:00:00
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pub_type: 杂志文章
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更新日期:2014-05-01 00:00:00
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pub_type: 杂志文章
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更新日期:2016-09-01 00:00:00
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pub_type: 杂志文章,多中心研究
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更新日期:2019-08-01 00:00:00
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pub_type: 杂志文章
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更新日期:2017-09-01 00:00:00
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pub_type: 杂志文章
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更新日期:2015-06-01 00:00:00
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更新日期:2018-03-01 00:00:00
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journal_title:Acta ophthalmologica
pub_type: 杂志文章
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更新日期:2020-06-23 00:00:00
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更新日期:2018-03-01 00:00:00
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更新日期:2016-08-01 00:00:00
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journal_title:Acta ophthalmologica
pub_type: 杂志文章
doi:10.1111/j.1755-3768.2008.01404.x
更新日期:2009-06-01 00:00:00
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pub_type: 杂志文章
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更新日期:2018-08-01 00:00:00