2016
DOI: 10.1111/opo.12332
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Studies using concentric ring bifocal and peripheral add multifocal contact lenses to slow myopia progression in school‐aged children: a meta‐analysis

Abstract: Both concentric ring bifocal and peripheral add multifocal soft contact lenses are clinically effective for controlling myopia in school-aged children, with an overall myopia control rates of 30~50% over 2 years. Concentric ring bifocal soft contact lenses seem to have greater effect than peripheral add multifocal soft contact lenses.

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Cited by 112 publications
(111 citation statements)
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“…Soft contact lenses with modified refractive profiles have also shown significant efficacy in reducing myopia progression and axial eye growth. On average, multifocal and dual‐focus lenses reduce myopia progression by approximately 30–50 per cent; however, there is significant inter‐study variation as a result of lens design, study duration, and participant characteristics . These lenses can be broadly categorised as multifocal or dual‐focus lenses, according to how the optical profile of the lens varies across the optic zone.…”
Section: Hoas and Myopia Control Interventionsmentioning
confidence: 99%
“…Soft contact lenses with modified refractive profiles have also shown significant efficacy in reducing myopia progression and axial eye growth. On average, multifocal and dual‐focus lenses reduce myopia progression by approximately 30–50 per cent; however, there is significant inter‐study variation as a result of lens design, study duration, and participant characteristics . These lenses can be broadly categorised as multifocal or dual‐focus lenses, according to how the optical profile of the lens varies across the optic zone.…”
Section: Hoas and Myopia Control Interventionsmentioning
confidence: 99%
“…(Guggenheim andTo 2005, Phillips 2005) One SCL myopia control study specifically examined correction of near esophoria, (Aller et al 2016) and found the largest reduction in axial elongation seen in any comparative SCL study. (Li et al 2017) Using a commercially available concentric bifocal SCL and targeting myopes with near esophoria, a 79% reduction in axial elongation was seen over the 12 month study. (Aller et al 2016) A further novel SCL design with induced positive spherical aberration (SA) designed to neutralise the negative SA apparent during accommodation found a 39% reduction in axial elongation over 12 months.…”
Section: (Shen Et Al 2010)mentioning
confidence: 99%
“…( Two meta-analyses of OK's treatment effects to slow myopia progression examined the seven studies above and concluded an approximate 45-50% reduction in axial elongation over two years, (Si et al 2015 showing marginally greater efficacy overall than SCL myopia control designs. (Li et al 2017) High myopes of 6D or more, partially treated to 4D with OK contact lenses, have shown a 76% reduction in myopia progression over one year compared to spectacle wearers in one study. (Charm and Cho 2013) Research into OK's efficacy for myopic astigmats is showing promising findings for refractive correction and safety, with preliminary case reports examining myopia control being favourable.…”
Section: Orthokeratology: Effect On Myopia Progressionmentioning
confidence: 99%
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