Volume 20 Issue 11
Nov.  2022
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Article Navigation >  Chinese Journal of General Practice  > 2022  >  20(11): 1863-1865
WANG Ying, WU Xiao-lan, ZHOU Lei, JIN Xia, XIN Dan-li, ZHANG Xiao-jin. Effect of reducing paracentric defocusing soft lens on myopia in children and its effect on diopter and axial length[J]. Chinese Journal of General Practice, 2022, 20(11): 1863-1865. doi: 10.16766/j.cnki.issn.1674-4152.002721
Citation: WANG Ying, WU Xiao-lan, ZHOU Lei, JIN Xia, XIN Dan-li, ZHANG Xiao-jin. Effect of reducing paracentric defocusing soft lens on myopia in children and its effect on diopter and axial length[J]. Chinese Journal of General Practice, 2022, 20(11): 1863-1865. doi: 10.16766/j.cnki.issn.1674-4152.002721
shu

Effect of reducing paracentric defocusing soft lens on myopia in children and its effect on diopter and axial length

doi: 10.16766/j.cnki.issn.1674-4152.002721

  • Optometry Clinic of Ningbo Eye Hospital, Ningbo, Zhejiang 315000, China

Funds:

 2019KY631

  • Received Date: 2022-07-07
    Available Online: 2022-12-30
    Abstract
  •   Objective  To explore the clinical effect of reducing paracentral defocusing soft lens on myopia in children, and analyze its influence on diopter and axial length in children.  Methods  A total of 100 children with myopia who were admitted to Optometry Clinic of Ningbo Eye Hospital from January 2020 to June 2021 were divided into control group and observation group by random humber table. There were 50 cases in the control group treated with ordinary frame glasses, and 50 cases in the observation group were treated with reduced paracentric defocusing soft lens. The diopter, axial length, naked eye vision, visual quality, clinical efficacy and adverse reactions were observed.  Results  After treatment, the diopter of the observation group [(-2.23±0.51) D] was lower than that of the control group [(-3.06±0.62) D, P < 0.05]; the axial length in the observation group [(24.14±0.38) mm] was shorter than that in the control group [(26.01±0.55) mm, P < 0.05]; the naked eye visual acuity of the observation group (1.03±0.18) was higher than that of the control group (0.82±0.13, P < 0.05); the objective scattering index of the observation group (0.67±0.11) was lower than that of the control group (0.81±0.14, P < 0.05); and the modulation transfer function and Strehl ratio of the observation group (37.81±5.20, 0.49±0.05) were higher than those of the control group (32.97±4.88, 0.42±0.07, all P < 0.05). The total effective rate of the observation group was 92.0% (46/50), which was higher than that of the control group [74.0% (37/50), P < 0.05]. The incidence of adverse reactions in the observation group was 6.0% (3/50), which was close to 10.0% (5/50) in the control group (P>0.05).  Conclusion  Reducing paracentric defocusing soft lens is effective in the treatment of myopia in children. It can improve the diopter, axial length, naked eye vision and visual quality of children with fewer adverse reactions, and it is worthy of application.

     

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