Orthokeratology changes the relative peripheral astigmatic components in patients with early-adult onset myopia.

Despite their ages, the early-adult onset myopes presented in this case series experienced a significant myopia progression before they were treated with orthokeratology.

After starting orthokeratology treatment these patients showed slower progression or no progression of their refractive error.

Axial length remained stable during orthokeratology treatment in early-adult onset myopia.