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Visual performance of four types of diffractive multifocal intraocular lenses and a review of articles

International Journal of Ophthalmology(English edition) 2021年第3期14卷 356-365页

作者： Farideh Doroodgar Feizollah Niazi azad sanginabadi Farid Karimian Sana Niazi Cyrus Alinia Mohammad Ali Javadi Negah Aref Ophthalmic Research Center Shahid Bcheshti University of Medical ScienceTehran ***Iran Tehran University of Medical Science Tchran ***Iran Department of Ophthalmology Shahid Beheshti University of Medical Sciences and Health ServicesChamran HighwayTehran ***Iran Department of Optometry Iran University of Medical Science Tehran ***Iran Department of Public Health Urmia University of Medical SciencesUrmiaWest Azerbaijan ***Iran

AIM: To compare the clinical outcomes of a variety of multifocal intraocular lenses(MIOLs) in patients diagnosed with presbyopia or cataracts. METHODS: This clinical trial study included 141 patients(282 eyes) with different MIOLs implantation. The Symfony(60 eyes), the Re STOR(100 eyes), the AT LISAtri(60 eyes), and the Pan Optix(62 eyes) intraocular lenses were evaluated in this prospective interventional study. The near, intermediate, and distant visual acuities, contrast sensitivity, and defocus curve were measured as valid criteria. To statistically analyze the results, we used the Statistical Package for Social Science software, the non-parametric Wilcoxon signed-rank t, the one-way analysis of variance and the Tukey’s post-hoc test in our analysis. Moreover, we conducted a detailed literature search on the Pub Med database in English about MIOLs, in total 59 studies were included in this review ***: The four approaches did not show any significant difference in the best-corrected distance visual acuity(P>0.05). The defocus curves at the contrast of 100% showed that trifocal IOLs had better intermediate performance than the bifocal IOL(P<0.05). There were no statistically significant differences between AT LISAtri and Pan Optix lenses for visual acuity at all distances. The eyes with Pan Optix, Symfony, and AT LISAtri IOL showed better contrast sensitivity than those Re STOR at spatial frequencies of 1, 3, and 6 cpd in photopic and mesopic conditions(P<0.001). CONCLUSION: All four groups of the multifocal lenses were satisfying in terms of distance and near vision. Also, the group of trifocal lenses led to satisfactory outcomes in intermediate vision, without degradation in quality of vision.

关键词： multifocal lens visual acuity cataract presbyopia

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稳定型圆锥角膜患者植入新型Phakic角膜接触镜的视觉效果分析

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国际眼科杂志 2019年第7期19卷 1089-1094页

作者： Farideh Doroodgar Feizollah Niazi Sana Niazi azad sanginabadi Cyrus Alinia Shahid Beheshti医科大学 Negah眼科研究中心伊朗德黑兰*** Shahid Beheshti医学科学与卫生服务大学伊朗德黑兰*** 伊朗医学与健康服务大学伊朗德黑兰*** Urmia医科大学公共卫生系伊朗西阿塞拜疆***

目的:评估可植入式Phakic角膜接触镜治疗稳定型圆锥角膜患者的疗效、安全性、稳定性和可预测性。方法:共14例患者采用植入式Phakic角膜接触镜(IPCL)矫正屈光不正,测量了未矫正视力、最佳矫正视力、离焦曲线、对比敏感度、屈光度及可能... 详细信息

目的:评估可植入式Phakic角膜接触镜治疗稳定型圆锥角膜患者的疗效、安全性、稳定性和可预测性。方法:共14例患者采用植入式Phakic角膜接触镜(IPCL)矫正屈光不正,测量了未矫正视力、最佳矫正视力、离焦曲线、对比敏感度、屈光度及可能的副作用。评估结果超过6mo。结果:平均等效球镜度(SE)和散光在术后6mo末次检查时由术前-6.94±2.79 DS和-4.24±1.42 DC分别变为术后-0.23±0.43 DS和-1.05±0.49 DC。术前平均Snellen视力为0.18±0.10。6mo内未矫正视力和最佳矫正视力平均值分别为0.13±0.10和0.05±0.15。平均安全指数为1.11。所有眼视力均无降低,其中22眼视力提高超过1行。20眼(71.4%)屈光度在0.50 D以内,27眼(96.42%)在±1.00 D以内。术后1wk至6mo,屈光度变化为-0.23±0.43(范围:-1.00至+0.75)。6mo内角膜内皮细胞(ECL)丢失率小于5%。术后6mo眼压(IOP)为11.32±2.28 mmHg。结论:Toric植入式Phakic角膜接触镜在矫正与稳定圆锥角膜相关的近视和近视散光方面具有有效性、安全性和可预测性。

关键词：圆锥角膜植入式Phakic角膜接触镜视力

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Topography versus non-topography-guided photorefractive keratectomy with corneal cross-linking variations in keratoconus

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International Journal of Ophthalmology(English edition) 2022年第5期15卷 721-727页

作者： Sana Niazi Jorge Alio del Barrio azad sanginabadi Farideh Doroodgar Cyrus Alinia Alireza Baradaran-Rafii Feaizollah Niazi Hossein Mohammad-Rabei Mohammad Mehdi Sadoughi Jorge L.Alio Department of Ophthalmology Shahid Beheshti University of Medical SciencesTehran 3113Iran Vissum Alicante 03016Spain Division of Ophthalmology Universidad Miguel HernándezAlicante 03016Spain Department of Optometry Iran University of Medical SciencesTehran 4599Iran Negah Specialty Ophthalmic Research Center Shahid Beheshti University of Medical ScienceTehran 4599Iran Department of Public Health School of Public HealthUrmia University of Medical SciencesUrmiaWest Azerbaijan 3734Iran Department of ophthalmology University of South FloridaTampaFlorida 33617USA

AIM:To compare the visual results of non-topographyguided and topography-guided photorefractive keratectomy(PRK)applying sequential and simultaneous corneal crosslinking(CXL)treatment for ***:Interventional and comparative prospective ***-nine eyes(36 patients)suffering from keratoconus(stages 1 Amsler-Krumeich classification)were divided into four groups:sequential topography-guided photorefractive keratectomy with CXL,simultaneous topography-guided photorefractive keratectomy with CXL,simultaneous nontopography guided photorefractive keratectomy with CXL,and sequential non-topography guided photorefractive keratectomy with *** main outcome measures were pre-and postoperative uncorrected distance visual acuity(UDVA),best corrected distance visual acuity(CDVA),manifest refraction,contrast sensitivity,and ***:All analyzed visual,contrast sensitivity,and refractive parameters showed a significant improvement in the four groups(all P<0.05).A noticeable improvement was seen in keratometry in all the groups,and a remarkable difference was observed between topography-guided groups in comparison to non-topography-guided groups(P<0.05).Interestingly,the improvement in all parameters showed a degree of stability to the end of the ***:The treatment priorities in all four groups are safety,efficacy,and predictability in the correction of the sphero-cylindrical errors in mild and moderate *** significant differences among groups in the recorded objective outcomes were found.

关键词： photorefractive keratectomy corneal collagen cross-linking keratoconus

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LASIK,SMILE和PRK的优势及适应证（英文）

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国际眼科杂志 2019年第10期19卷 1643-1651页

作者： Farideh Doroodgar Mohammadreza Sedaghat Sana Niazi Feizollah Niazi Arezoo Rezazadeh azad sanginabadi Shahid Beheshti医科大学 Negah眼科专业研究中心伊朗德黑兰*** Mashhad医科大学医学院眼科中心 Khatam Anbia眼科医院伊朗马什哈德*** Shahid Beheshti医学科学与卫生服务大学伊朗德黑兰*** 伊朗医科大学伊朗德黑兰***

屈光性角膜切削术(PRK),激光原位角膜磨镶术(LASIK)和小切口微透镜取出术(SMILE)是目前临床上屈光性手术中有效和安全的方法。这三种激光视力矫正方法虽然技术不同,但成功率大致相同。至于哪种方法是最合适的取决于多种因素,包括:屈光... 详细信息

屈光性角膜切削术(PRK),激光原位角膜磨镶术(LASIK)和小切口微透镜取出术(SMILE)是目前临床上屈光性手术中有效和安全的方法。这三种激光视力矫正方法虽然技术不同,但成功率大致相同。至于哪种方法是最合适的取决于多种因素,包括:屈光度、个人习惯和职业因素(如运动和生活方式)。目前,LASIK屈光手术应用最广,但SMILE也在手术医生间快速推广。后者提高了术后早期的舒适感,还有视力的快速恢复,减少了伤口的愈合反应。此外,与LASIK相比,SMILE术后干眼的发生率较低,因为小切口使前基质损伤小,这意味着前部角膜神经受到影响小。与LASIK和PRK相比,SMILE同样可以降低高阶像差(HOA)的形成。术后角膜滞后量(CH)和角膜阻力因子(CRF)与SMILE、LASIK、PRK方法无明显差异。但是,PRK仍然是中度到轻度手术量的最佳选择,特别是涉及薄角膜、频繁角膜侵蚀的病例。

关键词： LASIK PRK SMILE

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