Wearing orthokeratology contact lenses for 11 years led to a substantial reduction in axial length, with a mean treatment effect of –0.69 mm compared with single-vision lens wear, according to a study in Optometry and Vision Science.
“There is a substantial body of scientific evidence supporting the effectiveness of orthokeratology lens wear in slowing the axial elongation of the eye. ... However, most evidence supporting its effectiveness is limited to studies in which lenses were worn for up to 2 years only,” Jacinto Santodomingo-Rubido, PhD, FAAO, of Menicon, and