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《Chongqing Medicine》 2017-16
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Influence of orthokeratology lens on vision,intraocular pressure and biometric measurement parameters of adolescent myopia

Wang Xiaobing;Zhang Like;Qiu Yinghong;Yu Wenlin;Yang Hongyu;Xing Bin;LI Zhikai;Department of Optometry,Hebei Provincial Eye Hospital;Department of CT and Magnetic Resonance,Xingtai Municipal Third Hospital;  
Objective To evaluate the influence of orthokeratology lenses on vision,intraocular pressure and biometric measurement parameters in adolescent myopia.Methods A total of 72 adolescent myopia patients(136eyes)with orthokeratology lens,aged 8-16 years old,in Hebei Provincial Eye Hospital from Junuary 2013 to December 2015 were randomly selected.The vision,intraocular pressure,axial length,corneal topography,corneal thickness and anterior chamber depth were observed before wearing glasses,at 1week,1,3,6months after wearing glasses.Results After orthokeratology wearing,the uncorrected visual acuity was obviously improved(P0.05),the average refraction diopter was declined(P0.05)and the non-contact intraocular pressure was decreased(P0.05).The axial length after orthokeratology wearing had little change(P0.05).The curvature of the patient′s cornea at one week after wearing glasses was deceased(P0.05)and the posterior corneal curvature tended towards stability.The corneal thickness at 1week after wearing glasses had no obvious change compared with before wearing glasses(P0.05),which at1 month after wearing glasses was decreased(P0.05)and which at 3,6months after wearing glasses trended to be stabilized.The anterior chamber depth after wearing glasses had no obvious change.Conclusion Orthkeratology lens can decrease the myopia degree,increases the uncorrected visual acuity and has obvious effect for controlling adolescent myopia.The intraocular pressure and biometric measurement parameters have corresponding change after wearing orthkeratology lens.
【Fund】: 河北省科技厅项目(20151197)
【CateGory Index】: R778.11
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