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Predicting Short-Term Subjective Vision Performance of Contact Lenses Used in Myopia Control

Diec, Jennie, B.Optom.; Tilia, Daniel, M.Optom.; Thomas, Varghese, M.Biostat.; Bakaraju, Ravi C., B.Optom., Ph.D.

doi: 10.1097/ICL.0000000000000460

Objective: To investigate whether initial assessment of contact lenses prescribed for myopia control (MC) predicts short-term visual performance.

Method: Retrospective analysis of 43 participants in a double-masked, randomized, cross-over trial wearing at least one lens: single-vision (SV) lens (1-DAY ACUVUE MOIST) or MC lenses (MiSight or Proclear Multifocal-Distance +2.00D). Participants completed questionnaires at the fitting visit, a take-home questionnaire (THQ) 3 days after fitting and finally at the assessment visit (≥5 days after fitting). Questions comprised vision clarity and lack of ghosting (distance, intermediate, near at day/night time); vision stability; driving vision; overall vision satisfaction and comfort (1–10 scale, 1-point steps); and willingness to purchase based on vision and MC benefit of lens (yes/no response). Visual acuity was measured at fitting and assessment visits.

Results: Vision clarity (intermediate and near) was significantly worse at assessment compared with fitting while wearing MC lenses (P<0.001), as was overall vision satisfaction (P<0.001), comfort (P<0.001), and vision stability (P=0.001) while wearing either SV or MC lenses. Participants willing to purchase at assessment visit was 84% with SV and 36% with MC lenses, increasing to 88% (SV, P=1.00) and 61% (MC, P<0.001) if the lenses slowed myopia progression. Visual acuity was no different with either MC or SV lenses at fitting or assessment (P≥0.251).

Conclusion: Initial performance at fitting did not predict short-term performance for SV or MC lenses. A significant increase in willingness to purchase if lenses slowed myopia progression was observed while wearing MC lenses. Educating patients on the benefits might increase acceptability of MC lenses.

Brien Holden Vision Institute (J.D., D.T., V.T., R.C.B.), Sydney, Australia; and School of Optometry and Vision Sciences (D.T., R.C.B.), Sydney, Australia.

Address correspondence to Ravi C. Bakaraju, B.Optom., Ph.D., Level 5, Rupert Myers Building, North Wing, Gate 14, Barker Street, University of New South Wales, Sydney, New South Wales 2052, Australia; e-mail:

The authors have no funding or conflicts of interest to disclose.

Accepted October 30, 2017

© 2018 Contact Lens Association of Ophthalmologists, Inc.