Analysis of the causes of decreased visual quality by chief complaint after refractive surgery in super high myopia patients

doi:10.3969/j.issn.1006-7795.2018.03.025

Abstract

Abstract: Objective To analyze the causes of decreased visual quality by chief complaint after refractive surgery in super high myopia patients.Methods Retrospective case series study was used. The subjects include 8 cases (16 eyes) of super high myopia patients who complained of a poor visual quality after receiving phacoemulsification of the crystalline lens and implantation of an intraocular lens or phakic intraocular lens implantation at Beijing Tongren Hospital, Capital Medical University from January 2009 to December 2015. Questionnaires were issued to investigate their postoperative visual quality. Patients' preoperative and postoperative diopter, preoperative and postoperative corrected distance visual acuity, uncorrected and corrected near visual acuity were measured in an effort to analyze the causes of the decrease of visual quality postoperatively. The mean age of super high myopia patients was (44.88±10.32) years old, ranging from 30 to 60 years old. The mean preoperative diopter was (-23.19±3.60) D, ranging from -29.0D to -18.0D. The mean postoperative diopter was (-0.73±1.31) D, ranging from -3.0D to 1.75D. Most of super high myopia patients were satisfied with the postoperative corrected distance visual acuity, however, they showed poor satisfaction with the postoperative uncorrected near visual acuity and corrected intermediate 30 cm visual acuity (P<0.05). The mean postoperative corrected distance visual acuity is 0.235, significantly higher than that prior to surgery, which was 0.187 (P<0.05). The postoperative uncorrected near visual acuity and corrected intermediate 30 cm visual acuity were much lower than that before surgery (P<0.05). With further vision correction, these patients could have their corrected near visual acuity equal to their preoperative uncorrected near visual acuity.Conclusion The major cause of the decline of visual quality in patients with super high myopia postoperatively was due to the decrease of near visual acuity, which mainly refers to the poor uncorrected near visual acuity and corrected intermediate 30 cm visual acuity.

Key words: super high myopia, refractive surgery, visual quality, near visual acuity

CLC Number:

R778.1

Zhao Shiqiang, Jie Ying, Li Lei, Zhang Li, Lu Hongshuang. Analysis of the causes of decreased visual quality by chief complaint after refractive surgery in super high myopia patients[J]. Journal of Capital Medical University, 2018, 39(3): 449-452.

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URL: https://journal03.magtech.org.cn/Jweb_sdykdxxb/EN/10.3969/j.issn.1006-7795.2018.03.025

https://journal03.magtech.org.cn/Jweb_sdykdxxb/EN/Y2018/V39/I3/449

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