Orthokeratology Today: <br>Troubleshooting the Ortho-k Fit: Clinical Detective Work</br> - Takeaways - MDSpire
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Orthokeratology Today: <br>Troubleshooting the Ortho-k Fit: Clinical Detective Work</br>

  • By

  • CHERYL CHAPMAN, OD, FIAOMC, FAAO, DIPL ABO

  • September 1, 2026

  • 4 min

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  • 1

    Every orthokeratology follow-up provides essential clues for troubleshooting, including topography maps, visual acuity, comfort, and corneal health.

  • 2

    A smaller back optic zone diameter can enhance myopia control outcomes, but may lead to complaints of glare and halos during night activities.

  • 3

    Central islands in the treatment zone indicate excessive sagittal depth, requiring a reduction to improve vision quality.

  • 4

    Inferior decentration suggests a lens that is too steep, while superior decentration indicates a lens that is too flat, both needing adjustments.

  • 5

    Not all problematic maps necessitate redesign; if the patient is comfortable and sees well, it may be best to observe without changes.

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