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Representative RCRPS profiles. (A) An eye in the OK group. (B) An eye from the MFCL group. RCRPS, relative corneal refractive power shift; D, diopter; OK, orthokeratology; MFCL, multifocal soft contact lens; Half_x, the corneal eccentric location where RCRPS reached the half peak value; Half_y, half of the RCRPS peak value; Sum4, the integrated value of the RCRPS located within an area of 4-mm diameter; Sum7, the integrated value of the RCRPS located within an area of 7-mm diameter.
