Affiliation:
1. Indiana University School of Optometry Bloomington Indiana USA
Abstract
AbstractIntroductionPrevious literature has indicated an association between participant‐reported perceptions (e.g., ratings) of comfort, dryness and vision quality during soft contact lens wear. However, these reports do not account for participant‐ and lens‐specific factors which may impact the interpretation of these results. The purpose of this project was to quantify the association between these participant‐reported ratings while accounting for both participant‐ and lens‐specific factors.MethodsParticipant‐reported ratings (scale 0–100) of comfort, dryness and quality of vision for 675 soft contact lens wearers (1207 eyes) were aggregated across 31 studies completed at Indiana University. Linear mixed‐effects regression modelling was performed on each outcome rating individually. Covariate‐adjusted models incorporated both participant‐ (e.g., age, sex) and lens‐related (e.g., lens material, edge and optics) factors. The models were statistically adjusted for the duration of lens wear in hours and cumulative days of exposure.ResultsConsistent with estimates from covariate‐adjusted regression models, pairwise Spearman correlations [95% CI] between dryness and comfort (rs = 0.71, [0.69, 0.74]), vision quality and comfort (rs = 0.53, [0.49, 0.57]) and vision quality and dryness (rs = 0.49, [0.42, 0.54]) were all positive and had p < 0.001. Average participant‐reported ratings of comfort, dryness and vision quality decreased by (bs [95% CI]) = −0.81 [−1.15, −0.46] −0.34 [−0.67, 0.0005] and −0.90 [−1.19, −0.60] rating units, respectively, for each hour of lens wear.ConclusionsSignificant positive associations were found between participant‐reported measures of comfort, dryness and vision quality during soft contact lens wear. The associations between these ratings and the participant‐ and lens‐related factors that drive them should be considered by clinicians and manufacturers when fitting and designing soft contact lenses.
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1 articles.
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