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Abstract

Orthokeratology (ortho-k) is a non-surgical vision correction technique using overnight rigid gas-permeable lenses to reshape the
cornea, effectively correcting myopia and other refractive errors. It offers spectacle-free daytime vision and is increasingly recognized
for its role in myopia control for children and adolescents, slowing axial elongation. Research focuses on optimizing lens design,
materials, and fitting to enhance efficacy and safety. While generally safe with proper management, adherence to hygiene protocols
is crucial to minimize rare complications. Ortho-k works by inducing peripheral defocus, potentially influencing ocular growth.
Long-term studies are ongoing to solidify its sustained benefits and safety profile.