Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/91922
DC Field | Value | Language |
---|---|---|
dc.contributor | School of Optometry | en_US |
dc.contributor | School of Optometry | en_US |
dc.contributor | Research Centre for SHARP Vision | en_US |
dc.creator | Liang, Y | en_US |
dc.creator | Leung, T | en_US |
dc.creator | Lian, JT | en_US |
dc.creator | Kee, C | en_US |
dc.date.accessioned | 2022-01-17T01:19:18Z | - |
dc.date.available | 2022-01-17T01:19:18Z | - |
dc.identifier.issn | 0816-4622 | en_US |
dc.identifier.uri | http://hdl.handle.net/10397/91922 | - |
dc.language.iso | en | en_US |
dc.publisher | Taylor Francis | en_US |
dc.rights | © 2022 Optometry Australia | en_US |
dc.rights | This is an Accepted Manuscript of an article published by Taylor & Francis in Clinical and experimental optometry on 12 Jan 2022 (Published online), available online: http://www.tandfonline.com/10.1080/08164622.2021.2024071. | en_US |
dc.subject | Astigmatism | en_US |
dc.subject | Children | en_US |
dc.subject | COVID-19 | en_US |
dc.subject | Myopia | en_US |
dc.subject | Refractive error | en_US |
dc.title | Significant increase in astigmatism in children after study at home during the COVID-19 lockdown | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.spage | 322 | en_US |
dc.identifier.epage | 330 | en_US |
dc.identifier.volume | 106 | en_US |
dc.identifier.issue | 3 | en_US |
dc.identifier.doi | 10.1080/08164622.2021.2024071 | en_US |
dcterms.abstract | Clinical relevance: Evaluating changes in refractive astigmatism after ‘study at home’ during the COVID pandemic may shed light on the aetiology of refractive errors. | en_US |
dcterms.abstract | Background: To investigate whether there has been a change in the proportion of astigmatism among primary school children after the school closure period during the COVID-19 pandemic. | en_US |
dcterms.abstract | Methods: This observational study compared cross-sectional (2018: n = 112; 2020: n = 173) and longitudinal data (n = 38) collected from two vision screenings, one in 2018 and the other after the school closure period in 2020, in the same primary school for children aged 8–10 years. Noncycloplegic refraction and axial length were measured using an open-field auto-refractometer and IOL Master, respectively. A questionnaire focusing on demographic information, near-work time, and outdoor activities was administered to parents of all participants. | en_US |
dcterms.abstract | Results: While there were no significant differences in age, gender, or monthly family income between the two cohorts, astigmatism proportion (Cyl ≥ 0.75 D) in 2020 was 1.5-fold higher than that in 2018 (56.6% vs. 35.4%). The median cylindrical power was significantly higher in 2020 in older children (9 or 10 years old). More importantly, the children participating in both vision screenings had cylindrical power and J0 astigmatism significantly increased by 0.35 ± 0.40 D and 0.21 ± 0.25 D, respectively. | en_US |
dcterms.abstract | Conclusion: A significant increase in astigmatism (both proportion and magnitude) was found after the school closure period. Further studies are needed to investigate the origin of this increased astigmatism. | en_US |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | Clinical and experimental optometry, 2023, v. 106, no. 3, p. 322-330 | en_US |
dcterms.isPartOf | Clinical and experimental optometry | en_US |
dcterms.issued | 2023 | - |
dc.identifier.pmid | 35021950 | - |
dc.identifier.eissn | 1444-0938 | en_US |
dc.description.validate | 202201 bchy | en_US |
dc.description.oa | Accepted Manuscript | en_US |
dc.identifier.FolderNumber | a1139-n01 | - |
dc.description.fundingSource | Others | en_US |
dc.description.fundingText | This study was supported by The Centre of Myopia Research from The Hong Kong Polytechnic University and Innovation and Technology Fund for Better Living [ITB/FBL/4010/18/P]. | en_US |
dc.description.pubStatus | Published | en_US |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Liang_Increase_Astigmatism_Children.pdf | Pre-Published version | 1.25 MB | Adobe PDF | View/Open |
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