Fact checked byHeather Biele

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January 23, 2024
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MiSight 1 day contact lenses delay axial growth by up to 4 years

Fact checked byHeather Biele
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Key takeaways:

  • Six years of treatment reduced axial growth by 0.52 mm, while 3 years of treatment reduced growth by 0.19 mm.
  • Treated eyes took almost 4 years longer than untreated eyes to reach final accumulated growth.

Treatment with MiSight 1 day contact lenses reduced axial growth in children by 0.52 mm compared with predicted accumulated growth of untreated eyes, according to 6-year data published in Ophthalmic and Physiological Optics.

“The rigorous, multicenter study design, unequaled investigation timeframe and clear outcomes have strengthened prescribing confidence for this unique, effective optical intervention to slow the progression of myopia,” Paul Chamberlain, BSc, study author and senior director of research programs at CooperVision, said in a related company press release.

Reduction in axial growth in patients treated with MiSight 1 day contact lenses: 0.52 mm after 6 years of treatment, 0.19 mm after 3 years of treatment
Data derived from Chamberlain P, et al. Ophthalmic Physiol Opt. 2024;doi:10.1111/opo.13240.

Chamberlain and colleagues measured axial length in 170 eyes of children participating in a 6-year clinical trial of the MiSight 1 day contact lens (CooperVision). Participants in one group initially wore a single vision control lens for 3 years before switching to the treatment lens for 3 years, while the other group wore the treatment lens for 6 years.

The researchers compared axial growth during treatment to what was expected of untreated myopic and emmetropic eyes and found that 6 years of treatment reduced growth by 0.52 mm, while 3 years of treatment reduced growth by 0.19 mm.

Furthermore, treated eyes took almost 4 years longer than untreated eyes to reach final accumulated growth.

“This publication will further reinforce those evidence-based behaviors, as the global eye care community collectively addresses the childhood myopia epidemic,” Chamberlain said in the release.

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