首页> 美国卫生研究院文献>Medical Hypothesis Discovery and Innovation in Ophthalmology >A Modified Small-Incision Lenticule Intrastromal Keratoplasty (sLIKE) for the Correction of High Hyperopia: A Description of a New Surgical Technique and Comparison to Lenticule Intrastromal Keratoplasty (LIKE)
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A Modified Small-Incision Lenticule Intrastromal Keratoplasty (sLIKE) for the Correction of High Hyperopia: A Description of a New Surgical Technique and Comparison to Lenticule Intrastromal Keratoplasty (LIKE)

机译:一种改良的小切口小孔间质角膜成形术(sLIKE)用于矫正高度远视:一种新的外科手术技术的描述以及与小孔间质角膜成形术(LIKE)的比较

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摘要

Patients with high hyperopia are generally confined to either spectacle wear or contact lenses as a primary means of refractive correction. For this patient population, the surgical corrective methods, such as hyperopic laser assisted in-situ keratomileusis (LASIK) and photorefractive keratectomy (PRK) are imperfect options due to induction of higher-order aberrations, optical regression, and loss of best corrected distance visual acuity. Recently, there has been growing interest in lenticule implantation underneath a flap via lenticule intrastromal keratoplasty (LIKE) for high hyperopia correction (+3 diopters to +10 diopters). We instead propose a modified surgical technique (small-incision lenticule intrastromal keratoplasty, sLIKE), in which the lenticule is implanted inside an intrastromal pocket thereby causing less injury to the subbasal nerve plexus injury, less postoperative dry eye symptoms, less reduction in biomechanical strength, and lower chances for epithelial ingrowth. We provide an overview of these novel surgical techniques to treat high hyperopia, and compare the associated advantages and disadvantages. In addition, we will discuss the enhancement options and methods of optimization for both surgical techniques.
机译:高度远视的患者通常限于配戴眼镜或隐形眼镜作为屈光矫正的主要手段。对于此患者人群,由于会诱发高阶像差,光学回归以及失去最佳矫正远视力,因此手术矫正方法(例如远视激光辅助原位角膜磨镶术(LASIK)和光折射角膜切除术(PRK))是不完善的选择敏锐度。近年来,人们越来越关注通过小透镜间质角膜移植术(LIKE)将皮瓣植入皮瓣下方以实现高度远视矫正(+3屈光度至+10屈光度)。相反,我们提出一种改良的外科手术技术(小切口小梁间质角膜移植术,sLIKE),其中将小梁植入间质袋内,从而减少对基底神经丛损伤的伤害,减少术后干眼症状,降低生物力学强度,并且上皮向内生长的机会更低。我们概述了用于治疗高度远视的这些新颖手术技术,并比较了相关的优缺点。此外,我们将讨论两种手术技术的增强选项和优化方法。

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