非球面高透氧性硬性透气性角膜接触镜矫正特殊类型屈光不正的临床评价
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Clinical evaluation of non-spherical rigid gas-permeable contact lens for ametropia
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    目的:评价非球面高透氧性硬性透气性角膜接触镜(rig idgas-permeable contactlens,RGPCL)矫正特殊类型屈光不正的临床疗效及安全性。方法:收集2009-03/2009-12验配非球面高透氧性RGPCL的特殊屈光不正的患者53例99眼,分为:(1)高度近视组6眼;(2)高度散光8眼;(3)屈光参差组15眼;(4)高度近视+高度散光组(近视≥-6.00D或散光≥-2.00D)10眼;(5)高度近视+高度散光+屈光参差组8眼;(6)圆锥角膜组(确诊为圆锥角膜的患者)48眼;(7)混合散光2眼;(8)特殊类型屈光不正组(角膜屈光手术后)2眼。观察验配RGPCL后的矫正视力,并与框架镜的矫正视力比较。定期复诊,记录矫正视力、镜片配适及配戴情况。结果:本组病例戴框架镜(试镜架)的等效球镜度数为(-8.10±5.38)D,而RGP度数为(-6.50±4.13)D,两者差异有显著性(t=-7.499,P<0.01)。戴RGPCL后的视力矫正视力(LOGMAR)为(0.02±0.09),低于戴框架镜的最佳矫正视力(0.14±0.20)。两者具有统计学差异(t=7.03,P<0.01);戴镜3~6mo后,出现10眼角膜上皮擦伤,3眼镜片丢失。结论:应用非球面RGP可矫正高度近视散光、圆锥角膜及各种原因引起的高度屈光不正,其矫正视力明显优于框架眼镜,并有较高的舒适度和安全性,无明显的并发症发生。

    Abstract:

    ·AIM:To investigate the clinical effect and safety of the non-spherical rigid gas-permeable contact lens(RGPCL)for special ametropia.·METHODS:Totally 53 patients 99 eyes with special ametropia from March to December,2009 were divided into six groups:(1)high myopia group 6 eyes;(2)high astigmatism 8 eyes;(3)anisometropia group 15 eyes;(4)high astigmatism+high myopia group(myopia:≥6.00D or astigmatism:≥2.00D,10 eyes);(5)high astigmatism+high myopia+anisometropia group 8 eyes;(6)keratoconus group 48 eyes;(7)mixed astigmatism 2 eyes;(8)special refractive error group(after corneal refractive surgery,2 eyes).The corrected visual acuity between the fitting RGPCL and the frame glass were compared.The corrected visual acuity,fitting lens and wearing situation were recorded.·RESULTS:In patients of wearing mirror frame,the degree of equivalent sphere was(-8.10±5.38)D whereas the degree of RGP was(-6.50±4.13)D.There were statistically significant difference(t=-7.499,P<0.01).Correctted visual acuity of non-spherical RGP lenses(LOGMAR)was(0.02±0.09),lower than that of spectacle lenses(0.14±0.20),and there was statistically significant improvement(t=7.03,P<0.01).After wearing glasses 3 to 6 months,corneal epithelial abrasion occurred in 10 eyes and glasses lost in 3 eyes.·CONCLUSION:The application of non-spherical RGP can correct high myopia astigmatism,keratoconus andthe various high refractive,and has a higher comfort and safety.Patients can adapt to lenses and they are superior to spectacles.No severe complications are observed.·

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蓝方方,刘伟民,赵武校,等.非球面高透氧性硬性透气性角膜接触镜矫正特殊类型屈光不正的临床评价.国际眼科杂志, 2010,10(11):2118-2120.

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