Retinal image quality in myopic children undergoing orthokeratology alone or combined with 0.01% atropine.

"Declarations Ethics approval and consent to participateEthical approval was obtained from the Human Subject Ethics Subcommittee of the School of Optometry of The Hong Kong Polytechnic University (PolyU) (Reference No. HSEARS20160406005) and the Institutional Review Board of The University of Hong Kong/Hospital Authority Hong Kong West Cluster (Reference No. UW 16_404). A certificate for the clinical trial/medicinal test was obtained from the Pharmacy and Poison Board, Department of Health of Hong Kong (Reference No. PR/CT 0118/2016(AL)). Assent and consent were provided by children and parents, respectively, before their participation. Consent for publicationNot applicable. Competing interestsThe authors report no conflicts of interest. None of the authors has any financial interest in any of the products tested. Competing interests The authors report no conflicts of interest. None of the authors has any financial interest in any of the products tested."

"Funding This research was supported by The Hong Kong Polytechnic University Teaching Postgraduate Studentship (TPS) Scheme to Qi Tan and partially supported by a private donation to the School of Optometry, The Hong Kong Polytechnic University."