| Objective: To observe the changes of ocular biological parameters and accommodation parameters of myopia patients aged 7-12 years old after wearing orthokeratology glasses and frame glasses,and to compare and analyze the control effect of the two refractive correction methods on myopia and the influence on accommodation function,so as to provide theoretical basis for the rational use of orthokeratology glasses for myopia children aged 7-12 years old.Methods: A total of 60 myopic patients(120 eyes)aged 7-12 years old who visited the ophthalmology and optometry center of our hospital from October 2017 to January 2019 were selected and randomly divided into two groups.30 patients(60 eyes)in the observation group were wearing orthokeratology glasses while 30 patients(60 eyes)in the control group were wearing ordinary frame glasses.The changes of uncorrected visual acuity,diopter,eye axis,adjustment amplitude,adjustment reaction and adjustment sensitivity before and after wearing the glasses were observed and compared between the two groups.The observation time was 1 month,3months,6 months and 12 months.All data were analyzed statistically by SPSS25.0.Results: 1.uncorrected visual acuity: the observation group's uncorrected visual acuity improved significantly(P<0.001)1 month,3 months,6 months and 12 months after wearing the mirror.2.diopter: the diopter of observation group was significantly higher than that of control group at 1month,3 months,6 months and 12 months after wearing glasses(P<0.01).3.ocular axis: the growth of ocular axis in the control group was more obvious than that in the observation group after wearing glasses for 12 months(p <0.05).4.adjustment range:(1)comparison between groups: there was no significant difference between the two groups before,1 month and 3 months after dressing(p > 0.05).the adjustment range of the observation group at 6months and 12 months after dressing was significantly higher than that of the control group(p < 0.05).(2)intra-group comparison: the differences between the observation group before and after wearing glasses were statistically significant(p < 0.05);Compared with the control group before wearing the mirror for 1,3 and 6 months,the difference was statistically significant(p < 0.05),while the difference was not statistically significant(p > 0.05)after wearing the mirror for 12 months.5.regulatory response:(1)comparison between groups: there was no significant difference between the two groups before and one month after wearing glasses(p > 0.05).the regulatory response of the observation group after wearing glasses for 3months,6 months and 12 months was significantly lower than that of the control group(p < 0.05).(2)intra-group comparison: the differences between the observation group before and after wearing glasses were statistically significant(p < 0.05);In the control group,the difference was statistically significant(p < 0.05)at 3 and 6 months after wearing the mirror,while there was no statistically significant difference(p > 0.05)at 1 and 12 months after wearing the mirror.6.adjustment sensitivity:(1)comparison between groups: there was no significant difference between the two groups before,1 month and 3 months after dressing(p > 0.05).the adjustment sensitivity of the observation group at 6 months and 12 months after dressing was significantly higher than that of the control group(p < 0.05).(2)intra-group comparison: the differences between the observation group before and after wearing glasses were statistically significant(p < 0.05);Compared with the control group before wearing the mirror for 1,3 and 6months,the difference was statistically significant(p < 0.05),while the difference was not statistically significant(p > 0.05)after wearing the mirror for 12 months.Conclusion:1.Compared with frame glasses,orthokeratology glasses can effectively improve the naked eye vision of myopic children,reduce diopter and control the extension of eye axis.The correction effect of low and moderate myopia is better than that of frame glasses.2.7-12-year-old myopic children wearing orthokeratology and frame glasses can improve the adjustment range,adjustment sensitivity and decrease adjustment lag after wearing glasses for 1,3 and 6 months.However,orthokeratology is better than frame glasses in treatment effect,and the therapeutic effect is stable after wearing glasses for 12 months.The adjustment parameters of frame glasses tend to rebound after wearing glasses for 12 months.3.Compared with frame glasses,orthokeratology glasses can effectively improve the ocular biological parameters and accommodation parameters of 7-12year-old myopic children,which is more conducive to myopia control,and with the increase of correction time,it is helpful to the normalization of accommodation function. |
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