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GP lens eye Rounds

MYOPIA MANAGEMENT: What is Orthokeratology (Ortho-K)?

Jessica Liaw OD, FAAO

  • Overnight wear of gas permeable lenses to temporarily correct refractive error
  • Highly effective myopia control method with the added benefit of clear unaided daytime vision
    • High myopia risks include retinal detachment, macular degeneration, glaucoma, cataracts, myopic maculopathy, and reduced vision quality
  • Two primary theories behind ortho-k myopia control effect
    • Induced peripheral myopic defocus
    • Improvements in accommodative vergence function
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