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Patient experience and physiological response to two commercially available daily disposable myopia control contact lenses

Ghorbani-Mojarrad, Neema, Cargill, Catherine, Collard, Sophie and Terry, Louise 2021. Patient experience and physiological response to two commercially available daily disposable myopia control contact lenses. Contact Lens and Anterior Eye , 101426. 10.1016/j.clae.2021.02.012
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A range of myopia management (MM) contact lenses are becoming available to practitioners. These lenses are designed to slow myopia progression and axial elongation. This study explored the initial experience of participants wearing daily disposable MM contact lenses to investigate established factors previously associated with successful lens wear. Methods This was a prospective, double-masked, crossover study. Twenty participants aged 18–30 years old were assigned to wear two daily disposable MM lenses in a randomised order. Visual acuity, contrast sensitivity, and amplitude/lag of accommodation were assessed at baseline, post-insertion, and after 2 and 6 h of lens wear. Self-reported lens comfort and vision quality were recorded at the same timepoints, and at 10 h post-insertion. Pairwise comparisons were performed between the two lenses at each timepoint, as well as assessing changes throughout wear. The relationship of the measured parameters to overall lens satisfaction was also assessed. Results There were no significant differences between the two MM lenses at any timepoint for any of the participant-reported parameters, including overall satisfaction. A small difference in visual acuity was noted at 6 h post-insertion, although this is unlikely to be clinically significant. Comfort decreased throughout the day, most notably at 10 h post-insertion. A moderate positive correlation was observed between participant-reported visual quality and overall satisfaction. A similar pattern was seen for comfort and overall satisfaction. Self-reported vision quality and measured visual acuity were poorly correlated, highlighting the benefit of subjectively assessing the quality of vision with these lenses. Conclusions The participants demonstrated comparable measures across a range of measures between the two MM lenses. Notably, half of the participants demonstrated a clear lens preference, although the preferred lens varied between individuals. Candidates for MM may benefit from trialling more than one MM lens design, to maximise initial wearing satisfaction.

Item Type: Article
Date Type: Published Online
Status: In Press
Schools: Optometry and Vision Sciences
Publisher: Elsevier
ISSN: 1367-0484
Funders: British Contact Lens Association
Date of First Compliant Deposit: 8 April 2021
Date of Acceptance: 7 February 2021
Last Modified: 08 Apr 2021 15:36

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