寻求激光视力矫正的受试者中不同类型屈光不正的相对比例。

Pub Date : 2018-04-30 eCollection Date: 2018-01-01 DOI:10.2174/1874364101812010053
Talal A Althomali
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引用次数: 11

摘要

背景:屈光不正是一种影响全球超过23亿人的光学缺陷。由于屈光不正是轻度到中度视力损害的主要原因,评估其相对比例将有助于健康计划的战略规划。目的:确定在沙特阿拉伯一家私人诊所寻求激光辅助屈光矫正的成人候选人中屈光不正类型的相对比例模式。方法:回顾性分析687例(1374眼)行lasik术前检查的患者的临床资料,平均年龄27.6±7.5岁。屈光不正分为近视、远视和散光。采用明显折射球等效(MRSE)定义折射误差。结果测量:不同类型屈光不正的分布百分比;近视、远视和散光。结果:1374只眼的平均球等效为-3.11±2.88 d,其中91.8% (n = 1262)眼为近视,4.7% (n = 65)眼为远视,3.4% (n = 47)眼为远视并散光。散光分布百分比(柱面误差≥0.50 D)为78.5%(1078/1374眼);其中69.1%(994/1374)为低至中度散光,9.4%(129/1374)为高度散光。结论及相关性:在沙特阿拉伯的私人场所寻求激光屈光矫正的成人候选人中,近视是最大的负担,超过90%的近视眼睛,而远视则占近5%。超过78%的眼睛存在散光。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Relative Proportion Of Different Types Of Refractive Errors In Subjects Seeking Laser Vision Correction.

Background: Refractive errors are a form of optical defect affecting more than 2.3 billion people worldwide. As refractive errors are a major contributor of mild to moderate vision impairment, assessment of their relative proportion would be helpful in the strategic planning of health programs.

Purpose: To determine the pattern of the relative proportion of types of refractive errors among the adult candidates seeking laser assisted refractive correction in a private clinic setting in Saudi Arabia.

Methods: The clinical charts of 687 patients (1374 eyes) with mean age 27.6 ± 7.5 years who desired laser vision correction and underwent a pre-LASIK work-up were reviewed retrospectively. Refractive errors were classified as myopia, hyperopia and astigmatism. Manifest refraction spherical equivalent (MRSE) was applied to define refractive errors.

Outcome measures: Distribution percentage of different types of refractive errors; myopia, hyperopia and astigmatism.

Results: The mean spherical equivalent for 1374 eyes was -3.11 ± 2.88 D. Of the total 1374 eyes, 91.8% (n = 1262) eyes had myopia, 4.7% (n = 65) eyes had hyperopia and 3.4% (n = 47) had emmetropia with astigmatism. Distribution percentage of astigmatism (cylinder error of ≥ 0.50 D) was 78.5% (1078/1374 eyes); of which % 69.1% (994/1374) had low to moderate astigmatism and 9.4% (129/1374) had high astigmatism.

Conclusion and relevance: Of the adult candidates seeking laser refractive correction in a private setting in Saudi Arabia, myopia represented greatest burden with more than 90% myopic eyes, compared to hyperopia in nearly 5% eyes. Astigmatism was present in more than 78% eyes.

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