BCLA CLEAR-Orthokeratology

SJ Vincent, P Cho, KY Chan, D Fadel… - Contact Lens and …, 2021 - Elsevier
Orthokeratology (ortho-k) is the process of deliberately reshaping the anterior cornea by
utilising specialty contact lenses to temporarily and reversibly reduce refractive error after …

Optical changes and visual performance with orthokeratology

AN Nti, DA Berntsen - Clinical and experimental optometry, 2020 - Taylor & Francis
Orthokeratology has undergone drastic changes since first described in the early 1960s. The
original orthokeratology procedure involved a series of lenses to flatten the central cornea …

Corneal epithelial and stromal thickness changes in myopic orthokeratology and their relationship with refractive change

WK Kim, BJ Kim, IKH Ryu, JK Kim, SW Kim - PLoS One, 2018 - journals.plos.org
Purpose To investigate topographic changes in corneal epithelial thickness (CET) and
stromal thickness following orthokeratology (OK) and to determine associated factors …

[HTML][HTML] Central and peripheral corneal power change in myopic orthokeratology and its relationship with 2-year axial length change

Y Zhong, Z Chen, F Xue, H Miao… - … ophthalmology & visual …, 2015 - arvojournals.org
Purpose: We assessed the relationship between axial length (AL) change and corneal
refractive power change induced by orthokeratology (ortho-k) contact lens wear. Methods: A …

Prediction of orthokeratology lens decentration with corneal elevation

Z Chen, F Xue, J Zhou, X Qu, X Zhou - Optometry and Vision …, 2017 - journals.lww.com
PURPOSE The aim of this study was to investigate the influence of corneal elevation
asymmetry on ortho-k lens decentration. METHODS Thirty-six eyes of 36 subjects were fitted …

Reducing treatment zone diameter in orthokeratology and its effect on peripheral ocular refraction

P Gifford, M Tran, C Priestley, V Maseedupally… - Contact Lens and …, 2020 - Elsevier
Purpose To determine whether orthokeratology (OK) induced treatment zone (TZ) diameter
can be reduced by altering OK lens design, and if so the impact of modifying TZ diameter on …

New perspective on myopia control with orthokeratology

P Kang, H Swarbrick - Optometry and Vision Science, 2016 - journals.lww.com
Purpose To compare peripheral refraction along both the horizontal and vertical retinal
meridians before and after orthokeratology (OK) lens wear. Methods Nineteen young adult …

A new method to analyze the relative corneal refractive power and its association to myopic progression control with orthokeratology

J Wang, D Yang, H Bi, B Du, W Lin, T Gu… - … vision science & …, 2018 - tvst.arvojournals.org
Purpose: We present a new method for analyzing relative corneal refractive power (RCRP)
in children undergoing orthokeratology and explore its potential association to effective …

Change in corneal power distribution in orthokeratology: a predictor for the change in axial length

Z Zhang, Z Chen, Z Chen, J Zhou… - … Vision Science & …, 2022 - tvst.arvojournals.org
Purpose: To investigate the correlation between the change in spatial corneal power
distribution and axial length (AL) elongation during orthokeratology (Ortho-k) treatment …

Efficacy of orthokeratology lens with the modified small treatment zone on myopia progression and visual quality: a randomized clinical trial

G Gong, BN Zhang, T Guo, G Liu, J Zhang, XJ Zhang… - Eye and Vision, 2024 - Springer
Background To evaluate the long-term effectiveness of orthokeratology (ortho-K) lenses with
small treatment zone (STZ) or conventional treatment zone (CTZ) in controlling axial …