Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/109303
DC Field | Value | Language |
---|---|---|
dc.contributor | School of Optometry | - |
dc.creator | Guo, B | - |
dc.creator | Cheung, SW | - |
dc.creator | Kojima, R | - |
dc.creator | Cho, P | - |
dc.date.accessioned | 2024-10-03T08:17:48Z | - |
dc.date.available | 2024-10-03T08:17:48Z | - |
dc.identifier.issn | 0275-5408 | - |
dc.identifier.uri | http://hdl.handle.net/10397/109303 | - |
dc.language.iso | en | en_US |
dc.publisher | Wiley-Blackwell Publishing Ltd. | en_US |
dc.rights | © 2023 The Authors. Ophthalmic and Physiological Optics published by John Wiley & Sons Ltd on behalf of College of Optometrists. | en_US |
dc.rights | This is an open access article under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited. | en_US |
dc.rights | The following publication Guo B, Cheung SW, Kojima R, Cho P. Variation of Orthokeratology Lens Treatment Zone (VOLTZ) Study: A 2-year randomised clinical trial. Ophthalmic Physiol Opt. 2023; 43: 1449–1461 is available at https://doi.org/10.1111/opo.13208. | en_US |
dc.subject | Axial elongation | en_US |
dc.subject | Back optic zone diameter | en_US |
dc.subject | Myopia control | en_US |
dc.subject | Orthokeratology | en_US |
dc.subject | Treatment zone | en_US |
dc.title | Variation of Orthokeratology Lens Treatment Zone (VOLTZ) Study : a 2-year randomised clinical trial | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.spage | 1449 | - |
dc.identifier.epage | 1461 | - |
dc.identifier.volume | 43 | - |
dc.identifier.issue | 6 | - |
dc.identifier.doi | 10.1111/opo.13208 | - |
dcterms.abstract | Purpose: To compare axial elongation (AE) and treatment zone (TZ) characteristics in children wearing 6 mm or 5 mm back optic zone diameter (BOZD) orthokeratology (ortho-k) lenses over 2 years. | - |
dcterms.abstract | Methods: Forty-five (6 to <11 years of age) myopic (−4.00 to −0.75 D) children of Chinese ethnicity were randomly assigned to use the two different lens designs (23 and 22 wore the 6 and 5 mm lenses, respectively). Data collection was performed at baseline and every 6-months after commencing lens wear. | - |
dcterms.abstract | Results: After 24 months, subjects wearing lenses with a 5 mm BOZD achieved smaller TZ diameter (horizontal: 2.69 ± 0.28 vs. 3.84 ± 0.39 mm; vertical: 2.65 ± 0.22 vs. 3.42 ± 0.34 mm, p < 0.001) and less AE (0.15 ± 0.21 vs. 0.35 ± 0.23, p = 0.005) compared to those using the 6 mm design, with no difference in choroidal thickness (ChT) changes (p = 0.93). A significant increase in ChT, using pooled data analysis, was noted at the 6-month (11.8 ± 19.77 μm, p < 0.001) and 12-month (12.0 ± 23.7 μm, p = 0.004) visits, compared to baseline, indicating a transient change in ChT. Significant associations were noted, using linear mixed models, between AE and the TZ diameters (p < 0.003) after adjusting for baseline data. A very weak association was found between ChT changes and AE, with the effect size close to zero. | - |
dcterms.abstract | Conclusions: Smaller BOZD ortho-k lenses resulted in a smaller TZ diameter, which was associated with less AE after 2 years of treatment. The changes in ChT played a very weak role, suggesting that other factors may contribute more to the reduced AE in subjects wearing lenses having a smaller BOZD. | - |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | Ophthalmic and physiological optics, Nov. 2023, v. 43, no. 6, p. 1449-1461 | - |
dcterms.isPartOf | Ophthalmic and physiological optics | - |
dcterms.issued | 2023-11 | - |
dc.identifier.scopus | 2-s2.0-85167349397 | - |
dc.identifier.eissn | 1475-1313 | - |
dc.description.validate | 202410 bcch | - |
dc.description.oa | Version of Record | en_US |
dc.identifier.FolderNumber | OA_Scopus/WOS | en_US |
dc.description.fundingSource | Others | en_US |
dc.description.fundingText | Research Residency Scheme of The Hong Kong Polytechnic University | en_US |
dc.description.pubStatus | Published | en_US |
dc.description.oaCategory | CC | en_US |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Guo_Variation_Orthokeratology_Lens.pdf | 5.3 MB | Adobe PDF | View/Open |
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