Visual quality of patients with posterior capsular opacification after Nd:YAG laser surgery
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    Abstract:

    AIM: To explore the value of the corneal/refractive analyzer OPD-Scan III in assessing visual quality after Nd:YAG laser surgery in patients with posterior capsular opacification.

    METHODS: A total of 98 patients(98 eyes)with posterior capsular opacification who underwent Nd:YAG laser posterior capsulotomy in our hospital from May 2021 to April 2023 were retrospectively selected as the research subjects, and higher-order aberration parameters(coma, spherical aberration and trefoil aberration)and visual quality parameters \〖Strehl ratio(SR)and 4 mm area ratio(AR)in the human eye modulation transfer function(MTF)curve\〗 were obtained using the corneal/refractive analyzer OPD-Scan III. The patient's visual acuity, higher-order aberration parameters and visual quality before surgery, and at 1 wk and 3 mo after surgery were compared.

    RESULTS: There were statistically significant differences in uncorrected distance visual acuity(UDVA), uncorrected intermediate visual acuity(UIVA)and uncorrected near visual acuity(UNVA), coma, spherical aberration, trefoil aberration, SR and AR before and after surgery(all P<0.001), and there were statistically significant differences in UDVA, UIVA, UNVA, coma, spherical aberration, trefoil aberration, SR and AR at 1 wk and 3 mo postoperatively(all P<0.05). Additionally, there were differences in the UDVA, UIVA, UNVA, SR and AR at 3 mo postoperatively compared with those parameters at 1 wk postoperatively(all P<0.05), while there were no statistical significance in coma, spherical aberration, trefoil aberration at 3 mo postoperatively and those at 1 wk postoperatively(all P>0.05). Furthermore, the spherical aberration, trefoil aberration were negatively correlated with SR(rs=-0.427, P=0.009; rs=-0.436, P=0.010), and the trefoil aberration was negatively correlated with AR(rs=-0.406, P=0.015).

    CONCLUSION: The visual acuity of patients with posterior capsular opacification improved after Nd:YAG laser surgery, and the corneal/refractive analyzer OPD-Scan III system has a high clinical value in reflecting patient's visual quality.

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An Tong, Liu Ying, Sun Hongshuang, et al. Visual quality of patients with posterior capsular opacification after Nd:YAG laser surgery. Guoji Yanke Zazhi( Int Eye Sci) 2024;24(10):1655-1658

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Publication History
  • Received:January 13,2024
  • Revised:August 23,2024
  • Adopted:
  • Online: September 14,2024
  • Published: