RESUMEN
Objective To investigate the clinical effect of orthokeratology (ortho-k)during night and wearing frameglass during daytime for treating high myopic in teenagers.Methods 53 teenager cases (aged 10 - 14 years old)of high myopia with spherical equivalent degree -6.00--8.00 diopters (D)in our hospital were performed the retrospective analysis,among them,23 cases were the combined wearing of ortho-k and frameglass and 30 cases were simple wearing of frameglass.The changes of eye axi-al length at 6,12,18 24 months before and after wearing frameglass were measured and compared between the two groups.The spherical equivalent degrees were compared between before wearing frameglass and at 2 years after wearing frameglass.Results The spherical equivalent degree after stopping wearing for 1 month after 2-year wearing in the ortho-k and frameglass group was(-7.28±0.57)D,which after 2 years in the frameglass group was (-7.80±0.68)D,the 2-year spherical equivalent degrees in the or-tho-k and frameglass group and the frameglass group were increased by (-0.29 ±0.22)D and(-1.07 ±0.41)D respectively,the difference between the two groups was statistically significant(P <0.01);the eye axial growths were(0.12±0.04)mm and(0.37± 0.13)mms respectively,the difference between the two groups was statistically significant (P <0.01).Conclusion The combina-tion of ortho-k during night and frameglass during daytime can effectively relieve the myopia increase and eye axis elongation in the patients with high myopia and control the myopia development to some extent.