不同轴向的-0.25度柱镜对低度近视视觉质量的影响
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R778.11

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四川省科技厅自然科学基金项目(2023NSFSC0595);


The impact of different Axis-0.25D cylindrical lenses on visual quality in low-myopic eyes
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    摘要:

    目的:探讨不同轴向的-0.25度柱镜对低度近视视觉质量的影响。方法:选取374名-0.50~-3.00 D近视合并不同轴向-0.25 D散光的健康青年眼(374眼)为研究对象,通过球镜矫正和球柱镜矫正两种方式分别获得每个受试者屈光度处方和最佳矫正视力(CDVA,logMAR)。采用双通道视觉质量分析系统(OQAS)测量两种矫正方法的光学质量参数[客观散射指数(OSI),调制传递函数截止值(MTF cutoff),Strehl比(SR)和模拟对比视力值(OV)]。比较不同轴向(顺规,WTR;逆规,ATR;斜轴,OBL)的-0.25 D散光患者采用两种矫正方式后的结果。结果:受试者的374眼中,除-0.25 D WTR散光外,ATR和OBL散光的球柱镜矫正均显示出更好的CDVA(P<0.05)。-0.25 D WTR散光眼的光学参数比较,差异均无统计学意义(P>0.05)。对-0.25 D ATR散光眼,球柱镜矫正在除SR和9%VA外的光学参数中均显示出更好的结果(P<0.05)。对于-0.25 D OBL散光眼,球柱镜矫正在除OSI、SR和9%VA外的光学参数中均显示出更好的结果(P<0.05)。结论:低度近视合并-0.25 D ATR或OBL散光眼结合柱镜矫正可以改善光学质量和视敏度。

    Abstract:

    Objective: To explore the impact of different Axis-0.25D cylindrical lenses on visual quality in low-myopic eyes.Methods: A cross-sectional study was conducted, enrolling healthy young eyes (374 eyes) with -0.50 to -3.00D myopia and different axis orientations of -0.25 D astigmatism. A repeated-measures design was used, with spherical and sphero-cylindrical corrections applied to obtain refractive prescriptions and best-corrected visual acuity (CDVA, logMAR) for each participant. The optical quality parameters of the two correction methods were measured using a double-pass optical quality analysis system (OQAS), including Objective Scattering Index (OSI), Modulation Transfer Function cutoff (MTF cutoff), Strehl Ratio (SR), and simulated contrast visual acuity-OQAS values (OV). The results were compared within each axis orientation (WTR, ATR, OBL). Results: In 374 participants (374 eyes), except for -0.25D WTR astigmatism, both ATR and OBL astigmatism showed better CDVA with sphero-cylindrical correction (P0.05). For -0.25D ATR astigmatism, sphero-cylindrical correction showed better results in all optical parameters except SR and 9% VA (P<0.05). For -0.25D OBL astigmatism, sphero-cylindrical correction showed better results in all optical parameters except OSI, SR, and 9% VA (P<0.05).Conclusion: Low myopic eyes with -0.25D ATR or OBL astigmatism can benefit from improved optical quality and visual acuity with cylindrical lens correction.

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文佰伟;廖萱.不同轴向的-0.25度柱镜对低度近视视觉质量的影响[J].川北医学院学报,2026,41(3):284-288.

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  • 在线发布日期: 2026-04-26
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