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首页> 外文期刊>Eye & contact lens >Menicon Z rigid gas permeable lenses for keratoconus and irregular corneas: a retrospective case series.
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Menicon Z rigid gas permeable lenses for keratoconus and irregular corneas: a retrospective case series.

机译：Menicon Z刚性透气镜片，用于圆锥角膜和不规则角膜：回顾性病例系列。

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PURPOSE: The tisilfocon A (Menicon Z) rigid gas permeable (RGP) contact lens polymer has the highest oxygen permeability (Dk) value of any RGP lens material. To our knowledge there is no published literature documenting the success of this material in fitting contact lenses to highly irregular and diseased corneas. METHODS: A retrospective medical record review of 40 consecutive patients (64 eyes) who had worn lenses made in the Menicon Z RGP material was performed. All patients had some form of corneal pathology and were fitted in a single tertiary care hospital-based contact lens service. RESULTS: Menicon Z contact lenses were fit to 33 eyes of 20 patients with keratoconus (KC) and 31 eyes of 23 patients with irregular corneas. The irregular cornea group comprised 28 eyes of 21 patients after corneal surgery, 1 eye with ocular cicatricial pemphigoid and 2 eyes of 1 patient with chronic staphylococcal blepharo-keratoconjuncitivitis. Treatment goals included acceptable corneal physiology, comfort, and visual acuity. In the KC group, there was an 82% (27/33 eyes) success rate as measured by the treatment goals. Mean duration of wear for successful patients was 2.5 years (0.5-5 years). Only 12% (4/33 eyes) failed directly due to inability of the Menicon Z material to perform adequately while another material was acceptable. In the irregular surface group (surgical and ocular surface disease), there was a 74% (23/31 eyes) success rate. Mean duration of wear for successful patients in this group is 2.79 years (3 months-7 years). Only 3% (1/31 eyes) failed directly due to inability of the Menicon Z material to perform adequately while another material was acceptable. CONCLUSIONS: The tisilfocon A hyper Dk lens material maintains clinically acceptable corneal health and clinically acceptable visual acuity for patients with KC and irregular corneal surfaces. In this series of patients with complicated corneal disease, the most failures were due to design issues and discomfort not related to the Menicon Z material. The Menicon Z material was inadequate in only 8% of eyes, whereas another RGP material was successful. Most patients with irregular corneas in a tertiary care center can be successfully fit with the tisilfocon A RGP material for visual rehabilitation.
机译：目的：tisilfocon A（Menicon Z）硬质透气性（RGP）隐形眼镜聚合物在所有RGP镜片材料中均具有最高的氧气渗透率（Dk）值。据我们所知，尚无公开文献证明该材料成功地将隐形眼镜安装在高度不规则和患病的角膜上。方法：回顾性分析了40例连续患者（64眼），这些患者戴了Menicon Z RGP材料制成的镜片。所有患者均具有某种形式的角膜病理，并被安排在一家基于三级医院的隐形眼镜服务中。结果：Menicon Z隐形眼镜适合20例圆锥角膜（KC）患者的33眼和23例不规则角膜患者的31眼。不规则角膜组包括角膜手术后21例患者的28只眼，眼瘢痕性天疱疮1只眼和慢性葡萄球菌性睑角膜结膜炎1例2只眼。治疗目标包括可接受的角膜生理，舒适度和视敏度。根据治疗目标，KC组的成功率为82％（27/33眼）。成功患者的平均佩戴时间为2.5年（0.5-5年）。由于Menicon Z材料无法充分发挥性能，而只有另一种材料可以接受，因此只有12％（4/33眼）直接失败。在不规则表面组（外科和眼表疾病）中，成功率为74％（23/31眼）。该组成功患者的平均佩戴时间为2.79年（3个月至7年）。由于Menicon Z材料无法充分发挥性能，而只有另一种材料可以接受，因此只有3％（1/31眼）直接失败。结论：tisilfocon A hyper Dk晶状体材料可为KC和角膜表面不规则的患者保持临床可接受的角膜健康和临床可接受的视敏度。在这一系列复杂的角膜疾病患者中，大多数失败是由于与Menicon Z材料无关的设计问题和不适。 Menicon Z材料不足8％，而另一种RGP材料成功。在三级护理中心，大多数患有不规则角膜的患者可以成功地使用tisilfocon A RGP材料进行视觉康复。

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