Change in subfoveal choroidal thickness secondary to orthokeratology and its cessation: a predictor for the change in axial length

Purpose To investigate changes in subfoveal choroidal thickness (SFChT) during orthokeratology (Ortho‐K) lens wear and after its cessation and the association of short‐term change in SFChT with the long‐term eye elongation in Ortho‐K subjects. Design A prospective clinical trial. Methods Fifty myopi...

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Bibliographic Details
Published in:Acta ophthalmologica (Oxford, England) England), 2019-05, Vol.97 (3), p.e454-e459
Main Authors: Li, Zhouyue, Hu, Yin, Cui, Dongmei, Long, Wen, He, Mingguang, Yang, Xiao
Format: Article
Language:English
Subjects:
Anterior chamber
Children
choroidal thickness
Cornea
Elongation
myopia
Ophthalmology
Optical Coherence Tomography
orthokeratology
SD‐OCT
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Summary:Purpose To investigate changes in subfoveal choroidal thickness (SFChT) during orthokeratology (Ortho‐K) lens wear and after its cessation and the association of short‐term change in SFChT with the long‐term eye elongation in Ortho‐K subjects. Design A prospective clinical trial. Methods Fifty myopic children aged between 9 and 14 years were enrolled. Twenty‐nine subjects continuously wore Ortho‐K lens for 12 months and discontinued for 1 month. Twenty‐one subjects wearing single vision distance spectacles for 12 months were included as the control group. SFChT was assessed using optical coherence tomography. Ocular parameters, including axial length (AL), central corneal thickness (CCT), anterior chamber depth (ACD), lens thickness (LT) and apical corneal power (ACP), were also measured. Results After 12 months of follow‐up, AL elongation was larger and SFChT change was smaller in the control group compared to the Ortho‐K group (both p 
ISSN:1755-375X
1755-3768
DOI:10.1111/aos.13866