Comparing the effects of orthokeratology lenses and highly aspherical lenslets on axial length in myopic anisometropia
Abstract Purpose This study compares the influences of orthokeratology (OK) lenses and highly aspherical lenslets (HAL) on axial length (AL) in myopic anisometropia. Methods Retrospective analysis was performed on 225 individuals with myopic anisometropia who agreed to wear OK lenses, HAL or single-...
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BMC
2025-05-01
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| Series: | BMC Ophthalmology |
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| Online Access: | https://doi.org/10.1186/s12886-025-04134-4 |
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| author | Minfeng Chen Xianling Yang Xibo Yu Huihui Lei Xinjie Mao |
| author_facet | Minfeng Chen Xianling Yang Xibo Yu Huihui Lei Xinjie Mao |
| author_sort | Minfeng Chen |
| collection | DOAJ |
| description | Abstract Purpose This study compares the influences of orthokeratology (OK) lenses and highly aspherical lenslets (HAL) on axial length (AL) in myopic anisometropia. Methods Retrospective analysis was performed on 225 individuals with myopic anisometropia who agreed to wear OK lenses, HAL or single-vision spectacles (SP). Subjects with bilateral myopic anisometropia (BMA) were divided into the following groups: SP-BMA, HAL-BMA and OK-BMA. Further, children with unilateral myopic anisometropia (UMA) were divided into the following groups: SP-UMA, UHAL-UMA (unilateral HAL), BHAL-UMA (bilateral HAL) and OK-UMA (unilateral OK lens). Analyzed the difference in the interocular AL elongation in different groups. Results For children with BMA, the interocular difference change in the OK-BMA group (0.15 ± 0.19 mm) was greater than that in the SP-BMA (−0.01 ± 0.20 mm) and HAL-BMA (−0.03 ± 0.17 mm) groups, all P < 0.001. For children with UMA, in the non-myopic eyes, the difference in AL elongation in the BHAL-UMA group (0.10 ± 0.14 mm) was less than that in the SP-UMA (0.28 ± 0.22 mm), UHAL-UMA (0.40 ± 0.22 mm) and OK-UMA (0.47 ± 0.24 mm) groups, all P < 0.001. The interocular change in the UHAL-UMA group (0.29 ± 0.36 mm) and OK-UMA group (0.35 ± 0.25 mm) were all higher than that in the SP-UMA (−0.02 ± 0.23 mm) and BHAL-UMA (0.01 ± 0.18 mm) groups, all P < 0.01. Conclusions OK lenses can effectively reduce the interocular AL difference for children with unilateral or bilateral myopic anisometropia. However, HAL only decreased the interocular AL difference for children with UMA when wearing unilateral HAL but it did slow down the AL elongation of the non-myopic eyes in children with UMA when wearing bilateral HAL. |
| format | Article |
| id | doaj-art-9bb3c7e4cae742e0978f3ca0ea4ecd4b |
| institution | DOAJ |
| issn | 1471-2415 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | BMC |
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| series | BMC Ophthalmology |
| spelling | doaj-art-9bb3c7e4cae742e0978f3ca0ea4ecd4b2025-08-20T03:16:33ZengBMCBMC Ophthalmology1471-24152025-05-012511910.1186/s12886-025-04134-4Comparing the effects of orthokeratology lenses and highly aspherical lenslets on axial length in myopic anisometropiaMinfeng Chen0Xianling Yang1Xibo Yu2Huihui Lei3Xinjie Mao4Wenzhou medical university eye hospitalWenzhou medical university eye hospitalWenzhou medical university eye hospitalWenzhou medical university eye hospitalWenzhou medical university eye hospitalAbstract Purpose This study compares the influences of orthokeratology (OK) lenses and highly aspherical lenslets (HAL) on axial length (AL) in myopic anisometropia. Methods Retrospective analysis was performed on 225 individuals with myopic anisometropia who agreed to wear OK lenses, HAL or single-vision spectacles (SP). Subjects with bilateral myopic anisometropia (BMA) were divided into the following groups: SP-BMA, HAL-BMA and OK-BMA. Further, children with unilateral myopic anisometropia (UMA) were divided into the following groups: SP-UMA, UHAL-UMA (unilateral HAL), BHAL-UMA (bilateral HAL) and OK-UMA (unilateral OK lens). Analyzed the difference in the interocular AL elongation in different groups. Results For children with BMA, the interocular difference change in the OK-BMA group (0.15 ± 0.19 mm) was greater than that in the SP-BMA (−0.01 ± 0.20 mm) and HAL-BMA (−0.03 ± 0.17 mm) groups, all P < 0.001. For children with UMA, in the non-myopic eyes, the difference in AL elongation in the BHAL-UMA group (0.10 ± 0.14 mm) was less than that in the SP-UMA (0.28 ± 0.22 mm), UHAL-UMA (0.40 ± 0.22 mm) and OK-UMA (0.47 ± 0.24 mm) groups, all P < 0.001. The interocular change in the UHAL-UMA group (0.29 ± 0.36 mm) and OK-UMA group (0.35 ± 0.25 mm) were all higher than that in the SP-UMA (−0.02 ± 0.23 mm) and BHAL-UMA (0.01 ± 0.18 mm) groups, all P < 0.01. Conclusions OK lenses can effectively reduce the interocular AL difference for children with unilateral or bilateral myopic anisometropia. However, HAL only decreased the interocular AL difference for children with UMA when wearing unilateral HAL but it did slow down the AL elongation of the non-myopic eyes in children with UMA when wearing bilateral HAL.https://doi.org/10.1186/s12886-025-04134-4OrthokeratologyMyopia controlAxial lengthAnisometropia |
| spellingShingle | Minfeng Chen Xianling Yang Xibo Yu Huihui Lei Xinjie Mao Comparing the effects of orthokeratology lenses and highly aspherical lenslets on axial length in myopic anisometropia BMC Ophthalmology Orthokeratology Myopia control Axial length Anisometropia |
| title | Comparing the effects of orthokeratology lenses and highly aspherical lenslets on axial length in myopic anisometropia |
| title_full | Comparing the effects of orthokeratology lenses and highly aspherical lenslets on axial length in myopic anisometropia |
| title_fullStr | Comparing the effects of orthokeratology lenses and highly aspherical lenslets on axial length in myopic anisometropia |
| title_full_unstemmed | Comparing the effects of orthokeratology lenses and highly aspherical lenslets on axial length in myopic anisometropia |
| title_short | Comparing the effects of orthokeratology lenses and highly aspherical lenslets on axial length in myopic anisometropia |
| title_sort | comparing the effects of orthokeratology lenses and highly aspherical lenslets on axial length in myopic anisometropia |
| topic | Orthokeratology Myopia control Axial length Anisometropia |
| url | https://doi.org/10.1186/s12886-025-04134-4 |
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