准分子激光手术

准分子激光手术 extraction processes, production of pollution-free, high value-added products, fully meet the State environmental requirements. Four five-year relaxation and rest, achievements in concentrated bursts. In five years, 135 organized scientific research and technological innovation projects, promote scientific and technological research and development investment of 630 million Yuan. 26 key projects included in the national and provincial research and development projects, 32 new scientific and technological results of municipal-level science and technology progress award, first prize for 5. Ruixing group "biomass-based nutrient and microbial resistant and efficient construction of new system in urea production and industrialization", the 2015 annual provincial science and technology progress award, which the company won the provincial science and technology progress Award for four consecutive years. Increasing number of patent applications, in 2015, the County reached 168 invention patent applications, an increase of 143.5%, increase the city's 1th, patents for inventions accounted 33.9%, ranking the 3rd place in the city, run-silver bio-3 companies in the provincial intellectual property advantage enterprise. XX group development of atmospheric continuous desulfurization equipment included "province first Taiwan sets 准分子激光手术 LASIK治近视 眼睛是心灵的窗户，也是人们观察世界的窗口，人对外界信息的获取有70%左右是通过眼睛“看”到的。由此可见，眼睛对于我们是多么重要。近视眼是人类最常见的眼病之一。资料表明，人类近视眼的发病率平均为22%，我国近视发生率高达31%，是近视眼发病率最高的国家之一。 近视不仅仅是屈光问题，近视眼所产生的一系列并发症还可能导致更为严重的情况，特别是病理性近视，实际上是一种眼部综合征。近视患者不仅升学、择业受到影响，其生活、工作、运动也备受困扰。 因此，摘掉眼镜，恢复清晰而自由的视力是近视眼患者共同的心愿。 长期以来，眼科学者和视光学专家努力寻求积极有效的方法矫正近视和阻止近视的发展。近百年来，在手术矫治屈光不正(即近视、远视和散光的统称)方面，更进行了不懈的探索和研究。21世纪眼视光学中的屈光手术成为眼科最热门的技术，尤其是准分子激光原位角膜磨镶术(简称LASIK)，患者接受手术后，视力恢复之快，疗效之好以及该技术在世界范围内的迅速普及，均令人叹为观止。无数屈光不正患者对 LASIK趋之若鹜，希望借助这一高科技的眼科技术摆脱戴眼镜的烦恼，同时又心存胆怯:LASIK的安全性可靠吗,LASIK能使自己的裸眼视力恢复至什么程度, 准分子激光手术术后饮食注意事项 术后保养要注意饮食和营养的平衡，平时多吃些粗粮、杂粮、红绿蔬菜、薯类、豆类、水果等含有维生素、蛋白质和纤维素的食物。现在向大家介绍眼疲劳食疗的两大方法。 1.黑豆核桃冲牛奶:黑豆粉1匙，核桃仁泥1匙，牛奶1包，蜂蜜1匙。将黑豆>500克，炒熟后待冷，磨成粉。核桃仁500克，炒微焦去衣，待冷后捣如泥。取以上两种食品各1匙，冲入煮沸过的牛奶1杯后加入蜂蜜1匙，每天早晨或早餐后服用，或与早点共进。黑豆含有丰富的蛋白质与维生素B1等，营养价值高，又因黑色食物入肾，配合核桃仁，可增加补肾力量，再加上牛奶和蜂蜜，这些食物含有较多的维生素B1、钙、磷等，能增强眼内肌力，加强调节功能，改善眼疲劳的症状。 2.枸杞桑葚粥:枸杞子5克，桑葚子5克，山药5克，红枣5个，粳米100克。将上述原料熬成粥食用。此方中的枸杞子、桑葚子能补肝肾，山药、红枣健脾胃。视力疲劳者如能每日extraction processes, production of pollution-free, high value-added products, fully meet the State environmental requirements. Four five-year relaxation and rest, achievements in concentrated bursts. In five years, 135 organized scientific research and technological innovation projects, promote scientific and technological research and development investment of 630 million Yuan. 26 key projects included in the national and provincial research and development projects, 32 new scientific and technological results of municipal-level science and technology progress award, first prize for 5. Ruixing group "biomass-based nutrient and microbial resistant and efficient construction of new system in urea production and industrialization", the 2015 annual provincial science and technology progress award, which the company won the provincial science and technology progress Award for four consecutive years. Increasing number of patent applications, in 2015, the County reached 168 invention patent applications, an increase of 143.5%, increase the city's 1th, patents for inventions accounted 33.9%, ranking the 3rd place in the city, run-silver bio-3 companies in the provincial intellectual property advantage enterprise. XX group development of atmospheric continuous desulfurization equipment included "province first Taiwan sets extraction processes, production of pollution-free, high value-added products, fully meet the State environmental requirements. Four five-year relaxation and rest, achievements in concentrated bursts. In five years, 135 organized scientific research and technological innovation projects, promote scientific and technological research and development investment of 630 million Yuan. 26 key projects included in the national and provincial research and development projects, 32 new scientific and technological results of municipal-level science and technology progress award, first prize for 5. Ruixing group "biomass-based nutrient and microbial resistant and efficient construction of new system in urea production and industrialization", the 2015 annual provincial science and technology progress award, which the company won the provincial science and technology progress Award for four consecutive years. Increasing number of patent applications, in 2015, the County reached 168 invention patent applications, an increase of 143.5%, increase the city's 1th, patents for inventions accounted 33.9%, ranking the 3rd place in the city, run-silver bio-3 companies in the provincial intellectual property advantage enterprise. XX group development of atmospheric continuous desulfurization equipment included "province first Taiwan sets 早晚两餐，较长时间服用，既能消除眼疲劳症状，又能增强体质。 概念和原理 准分子激光的概念和LASIK的原理 准分子激光是氟氩两种气体混合后经激发而产生的一种人眼看不见的紫外光，其波长仅193纳米，不会穿入眼内，属冷激光，无热效应，能以“照射”方式对人眼角膜组织进行精确气化，达到“切削”和“雕琢”角膜的目的而不损伤周围组织和其他器官，其独特性质是最适合角膜屈光手术。 LASIK手术的原理是用一种特殊的极其精密的微型角膜板层切割系统(简称角膜刀)将角膜表层组织制作成一个带蒂的圆形角膜瓣，翻转角膜瓣后，在计算机控制下，用准分子激光对瓣下的角膜基质层拟去除的部分组织予以精确气化，然后于瓣下冲洗并将角膜瓣复位，以此改变角膜前表面的形态，调整角膜的屈光力，达到矫正近视、远视或散光的目的。 眼检要点 1、对于年满周岁的儿童，无论发现双眼正常与否，都应按常规由专业眼科医生做一次全面检查，看看是否存在小儿弱视的可能。正常情况下，儿童满4周岁时眼球发育成熟，视力应当正常。 2、幼儿园的小朋友应每6个月检查一次视力，以便早期排查小儿弱视。 术前检查项目 一、视力检查 包括裸眼视力和戴镜最佳矫正视力。 二、眼压检查 以排除高眼压和青光眼的可能性。 三、屈光检查 包括电脑验光,医学验光和散瞳验光三个步骤。验光度数正确与否直接影响手术效果。 四、眼前节及眼底检查 special welcome of is, XX Group also get has 2015 years Mayor quality award, showed that has has is strong of innovation capacity; Shandong Mo Shang source forest "cloud green Huai new varieties industrialization development" was as Shandong province 2015 years West economic uplift with focus development plans; nine Xin day of development of Chinese God SOAP, and Chinese God water, high-end day of products, became County development new highlights, in domestic also caused sensation. Five five years perseverance, talent highlight scene. Build XX, Shanghai, Guangdong, introducing only three workstations, widely implement "Golden Bridge project", a total of 32,000 people importing all kinds of talent, intelligence, and in particular the introduction of the Chinese Academy of engineering, XX University of chemical Tan tianwei, the "thousand person plan" expert-Guo Xin, domestic and foreign medical experts-Dr Wang Chuanhua and high-end talent in America. Among them, Dr Wang chuan-Hua was awarded the provincial government "province's Taishan industry leading talent" honor, Is the city's only overseas science and technology industry leaders, and provincial and municipal entrepreneurship support fund of 3 million Yuan. Rising part-time research scientists Zhu Qing of the Group increased, leading new materials research and development team, to focus on the more high-tech projects research, 2015 was awarded the XX city "Tarzan and leaders of excellence" honors. Two top talent is the embodiment of achievement in my talents over the years. Personnel training has intensified. Strong integration of various training resources, vigorously implement the "advanced training Enterprise talents" "resettlement and practical training", "travel professionals in action" e-commerce "Yu CAI" four personnel training project. Only in 2015, training immigrants with practical skills, tourism professionals and other professionals at all levels to 64,000 people extraction processes, production of pollution-free, high value-added products, fully meet the State environmental requirements. Four five-year relaxation and rest, achievements in concentrated bursts. In five years, 135 organized scientific research and technological innovation projects, promote scientific and technological research and development investment of 630 million Yuan. 26 key projects included in the national and provincial research and development projects, 32 new scientific and technological results of municipal-level science and technology progress award, first prize for 5. Ruixing group "biomass-based nutrient and microbial resistant and efficient construction of new system in urea production and industrialization", the 2015 annual provincial science and technology progress award, which the company won the provincial science and technology progress Award for four consecutive years. Increasing number of patent applications, in 2015, the County reached 168 invention patent applications, an increase of 143.5%, increase the city's 1th, patents for inventions accounted 33.9%, ranking the 3rd place in the city, run-silver bio-3 companies in the provincial intellectual property advantage enterprise. XX group development of atmospheric continuous desulfurization equipment included "province first Taiwan sets 重点检查角膜透明度，角膜是否有疤痕，晶体是否浑浊，眼底检查是否有玻璃体浑浊，眼底病变等。 五、波前像差检查 检查眼睛除存在近视，远视， 散光等低阶像差之外，是否还存在严重影响视觉质量的高阶像差，同时采集高阶像差数据作为诊断和手术的依据。 六、角膜曲率检查 排除圆锥角膜及扁平角膜可能性。 七、角膜测厚 如果患者是高度近视，应注意角膜中心切削深度，术前向患者说明有关情况。 八、角膜地形图检查 主要目的是对整个角膜表面的规则性和对称性有所了解，排除圆锥角膜等异常情况。 LASIK的发展史 LASIK的发展史可追溯至40年代末。自1949年起，美国等国外的眼科专家们先后报道了对LASIK技术的形成起重要作用的一系列角膜屈光手术。比如:冷冻角膜磨镶术(1949年)、原位角膜磨镶术(1964年和1966年)、准分子激光成功切削动物眼角膜组织(1983年)、非冷冻角膜磨镶术(1986年)、自控板层原位角膜磨镶术(简称ALK，1988年)、准分子激光角膜切削术(简称PRK，1989年)、准分子激光角膜磨镶术(简称PKM，1990年)等等。1990年，Pallikaris将ALK和PRK两者结合，终于形成了迄今为止最趋于完美的一种屈光不正矫治术即LASIK。 在我国，激光角膜屈光手术的开展与国外基本同时起步，关于准分子激光的引进，我国卫生部1992年召开了论证会，随后引进PRK，相继又引进了LASIK。PRK和LASIK这两种激光角膜屈光手术的安全性、疗效的可预测性和稳定性均明显优于以往的任何一种屈光不正矫治术，尤其是风靡全球的LASIK，可以预见，在未来数年里，必然成为眼科最常见的手术之一。 LASIK的优点 LASIK具有以下明显优点: ?适应范围广:可矫正100-3000度的近视，还可矫治高度散光和高度远视。 extraction processes, production of pollution-free, high value-added products, fully meet the State environmental requirements. Four five-year relaxation and rest, achievements in concentrated bursts. In five years, 135 organized scientific research and technological innovation projects, promote scientific and technological research and development investment of 630 million Yuan. 26 key projects included in the national and provincial research and development projects, 32 new scientific and technological results of municipal-level science and technology progress award, first prize for 5. Ruixing group "biomass-based nutrient and microbial resistant and efficient construction of new system in urea production and industrialization", the 2015 annual provincial science and technology progress award, which the company won the provincial science and technology progress Award for four consecutive years. Increasing number of patent applications, in 2015, the County reached 168 invention patent applications, an increase of 143.5%, increase the city's 1th, patents for inventions accounted 33.9%, ranking the 3rd place in the city, run-silver bio-3 companies in the provincial intellectual property advantage enterprise. XX group development of atmospheric continuous desulfurization equipment included "province first Taiwan sets extraction processes, production of pollution-free, high value-added products, fully meet the State environmental requirements. Four five-year relaxation and rest, achievements in concentrated bursts. In five years, 135 organized scientific research and technological innovation projects, promote scientific and technological research and development investment of 630 million Yuan. 26 key projects included in the national and provincial research and development projects, 32 new scientific and technological results of municipal-level science and technology progress award, first prize for 5. Ruixing group "biomass-based nutrient and microbial resistant and efficient construction of new system in urea production and industrialization", the 2015 annual provincial science and technology progress award, which the company won the provincial science and technology progress Award for four consecutive years. Increasing number of patent applications, in 2015, the County reached 168 invention patent applications, an increase of 143.5%, increase the city's 1th, patents for inventions accounted 33.9%, ranking the 3rd place in the city, run-silver bio-3 companies in the provincial intellectual property advantage enterprise. XX group development of atmospheric continuous desulfurization equipment included "province first Taiwan sets ?术后反应轻:LASIK完整保留了角膜表层的“屏障”组织，故术后无疼痛，不住院不包眼，仅有短暂的怕光，流泪和眼内异物感。 ?视力恢复快:术后即刻便能用眼，几小时后恢复正常视力。 ?效果稳定好:可一劳永逸地矫治屈光不正，通俗讲即一次性治疗，永久性效果。 ?快捷而方便:术前检查约1小时，术前准备约10余分钟，手术仅需几分钟，其中激光治疗过程仅需几秒钟至几十秒钟，术后当天即可正常活动，不影响生活和工作。 LASIK的适应对象 近视、远视、散光等屈光不正患者并非人人都适合LASIK手术，只有同时具备以下三个条件的患者才适合接受LASIK治疗: ?、年龄18周岁以上 ?、近两年屈光状态相对稳定(度数无明显变化) ?、经检查无LASIK禁忌症如眼部有活动性炎症，如急性结膜炎、角膜炎等; 患有圆锥角膜、青光眼、严重干眼症等;矫正视力极差的重度弱视患者;瘢痕体质、糖尿病、胶原性疾病; 突眼症、眼睑闭合不全;独眼患者等。 LASIK的整体流程 咨询?术前检查，预约手术?遵医嘱停戴隐形眼镜1—2周，抗菌素眼药水点眼1—3天?手术时做好个人卫生后按约前往进行术前复查、签署LASIK同意书?进入手术室作术前消毒等准备?进入LASIK手术间，平卧手术台上，滴用具有麻醉作用的眼药水，在完全清醒的状态下毫无痛苦地接受LASIK手术(约10分钟)?术毕，出手术室?戴上护眼罩由亲友陪送或自行返回家中，休息几小时即可恢复清晰视力?术后次日即可上班上学，照常生活并遵医嘱复查、滴用眼药水1个月左右。 LASIK的手术过程 在手术前，护士会详细的为您解说术中、术后的注意事项。手术时间一到，护士为您换上手术衣、帽、鞋，进入手术准备间，护士为您用消毒液清洗眼部周围的皮肤。进入手术 室，躺在舒适的手术椅上，医生开始点一两滴麻醉及预防感染的药水，扑上无菌罩，露出手术眼睛，开睑器撑开眼睛，请您集中注意力注视上方一个红色的闪光灯，机器会发出清脆的special welcome of is, XX Group also get has 2015 years Mayor quality award, showed that has has is strong of innovation capacity; Shandong Mo Shang source forest "cloud green Huai new varieties industrialization development" was as Shandong province 2015 years West economic uplift with focus development plans; nine Xin day of development of Chinese God SOAP, and Chinese God water, high-end day of products, became County development new highlights, in domestic also caused sensation. Five five years perseverance, talent highlight scene. Build XX, Shanghai, Guangdong, introducing only three workstations, widely implement "Golden Bridge project", a total of 32,000 people importing all kinds of talent, intelligence, and in particular the introduction of the Chinese Academy of engineering, XX University of chemical Tan tianwei, the "thousand person plan" expert-Guo Xin, domestic and foreign medical experts-Dr Wang Chuanhua and high-end talent in America. Among them, Dr Wang chuan-Hua was awarded the provincial government "province's Taishan industry leading talent" honor, Is the city's only overseas science and technology industry leaders, and provincial and municipal entrepreneurship support fund of 3 million Yuan. Rising part-time research scientists Zhu Qing of the Group increased, leading new materials research and development team, to focus on the more high-tech projects research, 2015 was awarded the XX city "Tarzan and leaders of excellence" honors. Two top talent is the embodiment of achievement in my talents over the years. Personnel training has intensified. Strong integration of various training resources, vigorously implement the "advanced training Enterprise talents" "resettlement and practical training", "travel professionals in action" e-commerce "Yu CAI" four personnel training project. Only in 2015, training immigrants with practical skills, tourism professionals and other professionals at all levels to 64,000 people extraction processes, production of pollution-free, high value-added products, fully meet the State environmental requirements. Four five-year relaxation and rest, achievements in concentrated bursts. In five years, 135 organized scientific research and technological innovation projects, promote scientific and technological research and development investment of 630 million Yuan. 26 key projects included in the national and provincial research and development projects, 32 new scientific and technological results of municipal-level science and technology progress award, first prize for 5. Ruixing group "biomass-based nutrient and microbial resistant and efficient construction of new system in urea production and industrialization", the 2015 annual provincial science and technology progress award, which the company won the provincial science and technology progress Award for four consecutive years. Increasing number of patent applications, in 2015, the County reached 168 invention patent applications, an increase of 143.5%, increase the city's 1th, patents for inventions accounted 33.9%, ranking the 3rd place in the city, run-silver bio-3 companies in the provincial intellectual property advantage enterprise. XX group development of atmospheric continuous desulfurization equipment included "province first Taiwan sets 啪啪声，7~20秒后激光发射完毕，角膜复位，手术完成。下手术床，医生会用裂隙灯(专用显微镜)检查您的手术情况。 准分子激光手术术后情况 准分子激光手术不会影响您的正常生活。如果您做的是IK手术，手术后第2天就可恢复到80%—90%。您可以正常工作或学习了。但一两个月内不要做剧烈碰撞型运动。 如果您做的是EK手术，手术后一周视力会逐渐得到提升，这期间您可以正常生活及用眼，但请爱惜用眼，给眼睛足够的休息。 准分子激光手术设备概况 目前最先进的是美国威视VISX STAR S4准分子激光治疗仪，VISX STAR S4拥有超级智慧型变量光斑技术，先使用不同直径的大光斑激光对处里面进行粗加工，再使用小光斑激光对治疗区域进行精打细算，可以提高处理速度数十倍，使激光切削过程在最短的时间内完成，该设备还能够根据不同的个人数据，系统自动调整光斑大小:光斑直径可在0.65-6.5mm范围内变化，光斑最小直径为0.65mm，是目前所有准分子激光中光斑最小的。根据不同的临床治疗需求，美国威视VISX STAR S4准分子激光治疗仪还能产生圆形、矩形或椭圆形等不同形状的光斑，对近视、远视、散光等进行治疗，与采用固定光斑激光系统相比，能够有效的节省治疗时间，使再复杂的角膜切削液变得极为轻松。 LASIK的风险 作为众多角膜屈光手术中一项成熟而又占领主流地位的技术，LASIK的安全性和疗效的可靠性是不容置疑的。但是，这并不表明LASIK没有风险(即并发症)，LASIK可能出现的并发症包括:感染、欠矫或过矫、角膜穿通、医源性角膜散光、继发性圆锥角膜、角膜瓣不规则、瓣游离、上皮植入、眩光等等。 这些并发症如果及时发现并处理得当，大部分是不会留下后遗症，也不会影响疗效。但是有些并发症确实妨碍视力恢复，比如术前近视、术后过矫成高度远视;或术前无散光，术后成为高度散光等等，如果手术致患者存留的角膜又太薄，则无法采用再次手术予以补救。又如，术中角膜穿通或术后继发严重的圆锥角膜，都可能令患者不得不接受角膜移植手术，给患者带来新的困扰和麻烦，造成不良后果。众所周知，接受LASIK手术的患者绝大部分是18岁以上的中青年人，他们正值前程似锦的重要人生阶段，一旦发生严重并发症，影响患者视力，将给患者造成新的甚至更大的痛苦，故无论医生还是患者都应充分认识到LASIK可能存在的风险，审慎地选择手术和施行手术。除了上述并发症外，LASIK术后矫正视力extraction processes, production of pollution-free, high value-added products, fully meet the State environmental requirements. Four five-year relaxation and rest, achievements in concentrated bursts. In five years, 135 organized scientific research and technological innovation projects, promote scientific and technological research and development investment of 630 million Yuan. 26 key projects included in the national and provincial research and development projects, 32 new scientific and technological results of municipal-level science and technology progress award, first prize for 5. Ruixing group "biomass-based nutrient and microbial resistant and efficient construction of new system in urea production and industrialization", the 2015 annual provincial science and technology progress award, which the company won the provincial science and technology progress Award for four consecutive years. Increasing number of patent applications, in 2015, the County reached 168 invention patent applications, an increase of 143.5%, increase the city's 1th, patents for inventions accounted 33.9%, ranking the 3rd place in the city, run-silver bio-3 companies in the provincial intellectual property advantage enterprise. XX group development of atmospheric continuous desulfurization equipment included "province first Taiwan sets extraction processes, production of pollution-free, high value-added products, fully meet the State environmental requirements. Four five-year relaxation and rest, achievements in concentrated bursts. In five years, 135 organized scientific research and technological innovation projects, promote scientific and technological research and development investment of 630 million Yuan. 26 key projects included in the national and provincial research and development projects, 32 new scientific and technological results of municipal-level science and technology progress award, first prize for 5. Ruixing group "biomass-based nutrient and microbial resistant and efficient construction of new system in urea production and industrialization", the 2015 annual provincial science and technology progress award, which the company won the provincial science and technology progress Award for four consecutive years. Increasing number of patent applications, in 2015, the County reached 168 invention patent applications, an increase of 143.5%, increase the city's 1th, patents for inventions accounted 33.9%, ranking the 3rd place in the city, run-silver bio-3 companies in the provincial intellectual property advantage enterprise. XX group development of atmospheric continuous desulfurization equipment included "province first Taiwan sets 下降、夜间眩光、视光质量下降，夜间视力下降等弊端也较为常见。国外资料表明，LASIK术后夜间驾驶困难的患者竟高达30%～事实证明，仅仅只是手术安全，仅仅只是裸眼视力的提高，已经满足不了现代屈光不正患者的视觉要求。 怎样才能预防和消除可能与LASIK手术相伴而来的这些并发症呢, 并发症产生的原因和防治方法 物体经过光学系统的折射后其成像发生畸变，不能准确无误再现物体原形的现象叫像差。90年代中期，Liang等专家开始了对人眼像差的测量和研究，结果发现LASIK术后人眼总体像差比术前增加了5倍以上。这是导致LASIK术后眩光和视觉质量下降等现象的罪魁祸首，而术中激光偏中心切削、角膜切削面不平滑，切削面太小、切削太深，切削斜率太大等等因素是引起术后像差增加的主要原因。因此，要削除术后眩光，视觉质量下降等并发症就必须改善和纠正导致术后像差增加的上述因素。传统的PRK、LASIK等激光角膜屈光手术中，由于设备技术的限制，要避免激光偏中心切削，改善角膜切削面的光滑程度等等，靠医生人为的努力，根本不可能办到。 什么方法才能有效地防治这类并发症呢, 激光角膜屈光手术的最新科技成果 三项技术 科技给我们带来福音～高科技的飞速发展和不同领域不同科技成果之间的互相促进，致使激光角膜屈光手术技术取得了突破性进展。飞点扫描、眼球跟踪和波前像差等尖端技术相继研究成功，眩光和视觉质量下降等并发症得到了最大程度的解决。这三大技术成为新一代激光角膜屈光手术的特征，拥有这三项新的尖端性能的LASIK设备受到眼科医生前所未有的青睐。 进视眼患者是一个特殊的群体，摘掉眼镜的急迫愿望，忐忑不安的顾虑心理和普遍接受过的良好教育使近视眼患者们对这一专业性极强的高科技眼科技术寻根究底、查询得十分仔细。今年以来，飞点扫描、眼球跟踪和波前像差这几项技术的概念及临床意义成为广大屈光不正患者关注与咨询的热点。下面我们就这三大尖端技术简要介绍如下: 飞点扫描 飞点扫描——即激光束以每秒发射200个脉冲以上的频率高速扫描角膜组织。飞点扫描技术克服了传统切削技术的弊端，如阶梯效应、中央岛、激光能量不均匀导致的不规则散光等等。该技术要求激光束的光斑为小光斑。不过更新更先进的理论认为:单一的小光斑或单一的大光斑都是不理想的，在激光气化角膜组织的过程中，运用不同大小的光斑才能完成对special welcome of is, XX Group also get has 2015 years Mayor quality award, showed that has has is strong of innovation capacity; Shandong Mo Shang source forest "cloud green Huai new varieties industrialization development" was as Shandong province 2015 years West economic uplift with focus development plans; nine Xin day of development of Chinese God SOAP, and Chinese God water, high-end day of products, became County development new highlights, in domestic also caused sensation. Five five years perseverance, talent highlight scene. Build XX, Shanghai, Guangdong, introducing only three workstations, widely implement "Golden Bridge project", a total of 32,000 people importing all kinds of talent, intelligence, and in particular the introduction of the Chinese Academy of engineering, XX University of chemical Tan tianwei, the "thousand person plan" expert-Guo Xin, domestic and foreign medical experts-Dr Wang Chuanhua and high-end talent in America. Among them, Dr Wang chuan-Hua was awarded the provincial government "province's Taishan industry leading talent" honor, Is the city's only overseas science and technology industry leaders, and provincial and municipal entrepreneurship support fund of 3 million Yuan. Rising part-time research scientists Zhu Qing of the Group increased, leading new materials research and development team, to focus on the more high-tech projects research, 2015 was awarded the XX city "Tarzan and leaders of excellence" honors. Two top talent is the embodiment of achievement in my talents over the years. Personnel training has intensified. Strong integration of various training resources, vigorously implement the "advanced training Enterprise talents" "resettlement and practical training", "travel professionals in action" e-commerce "Yu CAI" four personnel training project. Only in 2015, training immigrants with practical skills, tourism professionals and other professionals at all levels to 64,000 people extraction processes, production of pollution-free, high value-added products, fully meet the State environmental requirements. Four five-year relaxation and rest, achievements in concentrated bursts. In five years, 135 organized scientific research and technological innovation projects, promote scientific and technological research and development investment of 630 million Yuan. 26 key projects included in the national and provincial research and development projects, 32 new scientific and technological results of municipal-level science and technology progress award, first prize for 5. Ruixing group "biomass-based nutrient and microbial resistant and efficient construction of new system in urea production and industrialization", the 2015 annual provincial science and technology progress award, which the company won the provincial science and technology progress Award for four consecutive years. Increasing number of patent applications, in 2015, the County reached 168 invention patent applications, an increase of 143.5%, increase the city's 1th, patents for inventions accounted 33.9%, ranking the 3rd place in the city, run-silver bio-3 companies in the provincial intellectual property advantage enterprise. XX group development of atmospheric continuous desulfurization equipment included "province first Taiwan sets 角膜的理想切削和雕琢。 眼球跟踪 眼球跟踪——传统的PRK和LASIK，没有眼球跟踪技术，手术时患者眼球常不自觉转动，因而，角膜偏中心切削、术后散光等并发症在所难免。如今有些LASIK新设备有了眼球跟踪技术，但都是二维跟踪，即只能对眼球水平方向的运动进行跟踪。人眼是球形，眼球运动不仅仅是水平方向的，其他LASIK设备对术中眼球不自觉地转动就无法进行追踪了。 虹膜识别 虹膜识别——TK独有的虹膜识别旋转定位，利用人眼虹膜指纹的唯一性，集成先进的电子病历，如果输入的个人信息不吻合，手术设备将无法启动，安全性从手术一开始就得到保障。而在计算机的全程控制下，自动捕捉患者虹膜的特征，就好比有多台超高速摄像机从不同的角度对眼球旋转进行定位跟踪，自动进行校准。夸张点讲，即使紧张得眼球“乱转”的患者也能正常接受手术。所以，对近视患者，尤其对那些容易精神紧张的近视患者来说，比较适宜采用TK手术。此外，TK手术采用目前国际较为领先的角膜瓣形成系统，留存的角膜基质床更厚，手术也就更安全。 波前像差 波前像差——人眼视网膜的生物学极限视力应是3.0—4.0。换句话讲，假如人眼具有完美的屈光系统，人类的裸眼视力应能达到3.0左右。人眼像差使人眼的光学系统不完美，因而妨碍人眼对视网膜分辨率(感光性)的充分利用。在没有低阶像差(指近视、远视、散光)干扰的情况下，人眼视力也只有1.0—2.0。如果高阶像差(指慧差、影晕等)一并排除，人类才可以达到3.0—4.0的超常视力。人眼像差有30余种，包括角膜像差、晶体像差等等。波前像差引导下的个体化切削技术即根据每位患者不同的眼球屈光数据，“量眼定做”设计出最佳切削，术中眼球像差仪分析系统与准分子激光机治疗系统有机连接，全面矫正人眼像差，使术后裸眼视力有可能达到或接近3.0—4.0的人眼极限视力。这是角膜屈光手术的新概念。 10.我们欣喜地看到，LASIK等现代眼科技术的不断推广，使越来越多的屈光不正患者受益。 21世纪，眼科屈光手术面临着新的革命，不单近视、远视、散光可被迅速矫正，就连老花眼这些困扰每一个人的屈光问题都有可能全部得以解决。回顾人类史，12世纪开始，由于科技的发展，人类研制出眼镜矫正屈光不正。人类进入21世纪以后，同样因为科技的进一步发展，人类又将通过各种屈光手术摘掉眼镜，回到“无镜”世界。 准分子激光手术前检查事项 (一)、视力检查:包括裸眼视力和戴镜最佳矫正视力; extraction processes, production of pollution-free, high value-added products, fully meet the State environmental requirements. Four five-year relaxation and rest, achievements in concentrated bursts. In five years, 135 organized scientific research and technological innovation projects, promote scientific and technological research and development investment of 630 million Yuan. 26 key projects included in the national and provincial research and development projects, 32 new scientific and technological results of municipal-level science and technology progress award, first prize for 5. Ruixing group "biomass-based nutrient and microbial resistant and efficient construction of new system in urea production and industrialization", the 2015 annual provincial science and technology progress award, which the company won the provincial science and technology progress Award for four consecutive years. Increasing number of patent applications, in 2015, the County reached 168 invention patent applications, an increase of 143.5%, increase the city's 1th, patents for inventions accounted 33.9%, ranking the 3rd place in the city, run-silver bio-3 companies in the provincial intellectual property advantage enterprise. XX group development of atmospheric continuous desulfurization equipment included "province first Taiwan sets extraction processes, production of pollution-free, high value-added products, fully meet the State environmental requirements. Four five-year relaxation and rest, achievements in concentrated bursts. In five years, 135 organized scientific research and technological innovation projects, promote scientific and technological research and development investment of 630 million Yuan. 26 key projects included in the national and provincial research and development projects, 32 new scientific and technological results of municipal-level science and technology progress award, first prize for 5. Ruixing group "biomass-based nutrient and microbial resistant and efficient construction of new system in urea production and industrialization", the 2015 annual provincial science and technology progress award, which the company won the provincial science and technology progress Award for four consecutive years. Increasing number of patent applications, in 2015, the County reached 168 invention patent applications, an increase of 143.5%, increase the city's 1th, patents for inventions accounted 33.9%, ranking the 3rd place in the city, run-silver bio-3 companies in the provincial intellectual property advantage enterprise. XX group development of atmospheric continuous desulfurization equipment included "province first Taiwan sets (二)、屈光检查:包括电脑验光、散瞳验光和复验三个步骤。验光度数正确与否直接影响手术效果; (三)、眼前节及眼底检查:重点检查角膜透明度，角膜是否有疤痕，晶体是否混浊，眼底检查是否有玻璃体混浊、眼底病变等; (四)、眼压检查:以排除高眼压和青光眼的可能性; (五)、角膜测厚:对角膜中心厚度低于500μm者，如果患者是高度近视，应注意角膜中心切削厚度，术前向患者说明情况; (六)、角膜地形图检查:主要目的是对整个角膜表面的规则性和对称性有所了解，排除各种异常因素。 准分子激光手术术后注意事项 重视用药定期随访 一个成功的准分子激光手术不仅取决于医生高超的手术技术，还和术后规则的用药和随访分不开。准分子激光术后用药特别重要，应该遵照医生的指导使用，不可以因为自我感觉良好而随意停药或滥用，同时应定期到医院随访，否则可导致疗效下降。曾经有一位大学生，手术非常成功，术后1周复查双眼视力均达1.5，之后他再也没来检查，2个月后因视力急剧下降来复诊，检查发现视力为0.4，眼压达35mmHg。追问病史，原来他一直 没有 用激素眼药水，自认为视力已正常而不到医院检查眼压，到出现了视力下降才引起重视，虽经积极治疗眼压恢复正常，但他的视力只能恢复到0.8。准分子激光手术后通常要用激素眼药水1,2个月，目的是为了促进术后的恢复和防止近视回退。而激素眼药水具有升高眼压，导致激素性青光眼的可能，因此准分子激光手术后用药期间一定要定期到医院复查，尤其要随访眼压。另外，对于LASIK手术者，由于角膜瓣的存在，术后应避免外力碰撞术眼，以免导致角膜瓣移位严重的后果。 高度近视仍需当心 近视患者由于眼轴变长多伴有眼底的病变，尤其高度近视患者，表现为周边视网膜变薄，萎缩变性，一旦出现视网膜裂孔，就有可能导致视网膜脱离。视网膜脱离是近视眼导致失明较常见的眼病，应引起近视眼患者特别重视。准分子激光手术虽然使视力恢复了正常，但它并不能改变近视对眼睛已经造成的改变。因此对于术后视力正常的近视眼者，依然要像对待近视眼一样爱护自己的眼睛，应注意避免打篮球等剧烈运动及强体力劳动。当头部受到震动或做重体力劳动、剧烈运动时，视网膜会受到牵拉而发生裂孔，造成视网膜脱离，视网膜脱离的初期一般表现为眼前有闪电样光带出现，飞蚊黑点大量增加，或视野产生暗影逐渐扩大，一旦出现以上症状，应引起高度重视，须立即到医院诊治，不可拖延。若等到视力明显下降再就诊，则治疗的效果较差。 special welcome of is, XX Group also get has 2015 years Mayor quality award, showed that has has is strong of innovation capacity; Shandong Mo Shang source forest "cloud green Huai new varieties industrialization development" was as Shandong province 2015 years West economic uplift with focus development plans; nine Xin day of development of Chinese God SOAP, and Chinese God water, high-end day of products, became County development new highlights, in domestic also caused sensation. Five five years perseverance, talent highlight scene. Build XX, Shanghai, Guangdong, introducing only three workstations, widely implement "Golden Bridge project", a total of 32,000 people importing all kinds of talent, intelligence, and in particular the introduction of the Chinese Academy of engineering, XX University of chemical Tan tianwei, the "thousand person plan" expert-Guo Xin, domestic and foreign medical experts-Dr Wang Chuanhua and high-end talent in America. Among them, Dr Wang chuan-Hua was awarded the provincial government "province's Taishan industry leading talent" honor, Is the city's only overseas science and technology industry leaders, and provincial and municipal entrepreneurship support fund of 3 million Yuan. Rising part-time research scientists Zhu Qing of the Group increased, leading new materials research and development team, to focus on the more high-tech projects research, 2015 was awarded the XX city "Tarzan and leaders of excellence" honors. Two top talent is the embodiment of achievement in my talents over the years. Personnel training has intensified. Strong integration of various training resources, vigorously implement the "advanced training Enterprise talents" "resettlement and practical training", "travel professionals in action" e-commerce "Yu CAI" four personnel training project. Only in 2015, training immigrants with practical skills, tourism professionals and other professionals at all levels to 64,000 people extraction processes, production of pollution-free, high value-added products, fully meet the State environmental requirements. Four five-year relaxation and rest, achievements in concentrated bursts. In five years, 135 organized scientific research and technological innovation projects, promote scientific and technological research and development investment of 630 million Yuan. 26 key projects included in the national and provincial research and development projects, 32 new scientific and technological results of municipal-level science and technology progress award, first prize for 5. Ruixing group "biomass-based nutrient and microbial resistant and efficient construction of new system in urea production and industrialization", the 2015 annual provincial science and technology progress award, which the company won the provincial science and technology progress Award for four consecutive years. Increasing number of patent applications, in 2015, the County reached 168 invention patent applications, an increase of 143.5%, increase the city's 1th, patents for inventions accounted 33.9%, ranking the 3rd place in the city, run-silver bio-3 companies in the provincial intellectual property advantage enterprise. XX group development of atmospheric continuous desulfurization equipment included "province first Taiwan sets 依然注意用眼卫生 虽然行准分子激光手术者基本是18岁以上的成年人，一般传统观点认为成年人的视力比较稳定，不容易进一步下降，但实际情况并非如此。中华民族是一个近视高发民族，全国约有近4亿近视患者，而且还在逐年增加，20岁以后近视还在增加的人并不在少数，这主要是和现代社会电脑的普及、工作压力的增大有关，超常时间近距离的工作仍然可导致近视进一步加深。因此对于以近距离工作为主的人来说，准分子激光术后仍然要注意保护好眼睛。准分子激光手术后1,2月内，多数人看近都较吃力，此时应减少近距离用眼时间，不仅可避免眼部疲劳酸痛等不适，而且有利于眼睛的恢复。对于视力已完全恢复正常者，仍然要注意用眼卫生，尤其长时间看电脑和伏案近距离工作者，用眼1小时后一定要休息片刻，可以做眼保健操放松眼球，或眺望远处，给眼睛以适当的休息，避免过度用眼使近视再次出现。 准分子激光手术常见的六大误区 由于相关知识的不足，人们对近视眼手术的认识普遍存在以下六大误区。 误区一:做激光手术没有年龄限制。 误区二:任何度数都能做激光手术。 误区三:激光手术不一定安全。 误区四:只能治疗近视不能治疗散光。 误区五:手术后近视还会“反弹” 误区六:准分子激光手术可以使视力提高到极致。 准分子激光手术效果不佳原因 [1]1、眼球的旋转定位:现在所有屈光的检查都是坐着做的，眼球的形状和角度随着人们体位的不同而有变化。无论是散光还是角膜地形图在检查时的坐位和手术时的卧位都是不一样的。现在的手术并没有考虑到这个因素，这是到目前为止的重大缺陷。 2、屈光手术的对焦:目前99%的手术医生是通过肉眼判断手术的焦平面。但是由于每个手术医生屈光状态和调节状态的不同从而造成人为的聚焦误差。这是目前造成手术偏离中心区的最主要因素。 手术过程 extraction processes, production of pollution-free, high value-added products, fully meet the State environmental requirements. Four five-year relaxation and rest, achievements in concentrated bursts. In five years, 135 organized scientific research and technological innovation projects, promote scientific and technological research and development investment of 630 million Yuan. 26 key projects included in the national and provincial research and development projects, 32 new scientific and technological results of municipal-level science and technology progress award, first prize for 5. Ruixing group "biomass-based nutrient and microbial resistant and efficient construction of new system in urea production and industrialization", the 2015 annual provincial science and technology progress award, which the company won the provincial science and technology progress Award for four consecutive years. Increasing number of patent applications, in 2015, the County reached 168 invention patent applications, an increase of 143.5%, increase the city's 1th, patents for inventions accounted 33.9%, ranking the 3rd place in the city, run-silver bio-3 companies in the provincial intellectual property advantage enterprise. XX group development of atmospheric continuous desulfurization equipment included "province first Taiwan sets extraction processes, production of pollution-free, high value-added products, fully meet the State environmental requirements. Four five-year relaxation and rest, achievements in concentrated bursts. In five years, 135 organized scientific research and technological innovation projects, promote scientific and technological research and development investment of 630 million Yuan. 26 key projects included in the national and provincial research and development projects, 32 new scientific and technological results of municipal-level science and technology progress award, first prize for 5. Ruixing group "biomass-based nutrient and microbial resistant and efficient construction of new system in urea production and industrialization", the 2015 annual provincial science and technology progress award, which the company won the provincial science and technology progress Award for four consecutive years. Increasing number of patent applications, in 2015, the County reached 168 invention patent applications, an increase of 143.5%, increase the city's 1th, patents for inventions accounted 33.9%, ranking the 3rd place in the city, run-silver bio-3 companies in the provincial intellectual property advantage enterprise. XX group development of atmospheric continuous desulfurization equipment included "province first Taiwan sets 一、术前 手术前，医生会用无菌盐水和氯霉素眼药水做眼部冲洗，时间大约是5,10分钟，降低或避免眼睛感染的机会。 二、术中 1、麻醉术眼。手术开始时，先点麻醉眼药水。用专门的麻醉药滴在眼球上，让它失去痛觉，但是触觉还是会存在。 2、制角膜瓣。首先，由开睑器帮助患者在整个激光治疗近视手术过程中睁眼。然后医生给撑开的眼球装上吸环，用来制作角膜瓣。过程只有数秒，患者可能会感到眼球有压迫感，或者短暂的视力下降、黑蒙感和一些疼痛。 3、激光雕琢。角膜瓣制好后，医生用三角海绵轻轻掀开角膜瓣，按照预先输入的激光治疗仪数据，在角膜上用激光进行雕琢。近视度数深的切削面积相应来说会大一点，费时长一点。 这时会有一串轻响和一点烧灼的气味，患者不用担心，这是激光工作时的一种正常的光化学反应。还要注意，虽然激光可以在1/10秒的时间内追踪眼球的细微活动，但在这个过程中最好还是按医生的要求注视不动。 雕琢完毕，医生用海绵盖上角膜瓣，冲洗眼睛。这样一只眼睛的手术就做好了，然后用同样的步骤做另一只眼睛。 4、手术完毕。医生会用裂隙灯显微镜检查角膜瓣复位情况。 special welcome of is, XX Group also get has 2015 years Mayor quality award, showed that has has is strong of innovation capacity; Shandong Mo Shang source forest "cloud green Huai new varieties industrialization development" was as Shandong province 2015 years West economic uplift with focus development plans; nine Xin day of development of Chinese God SOAP, and Chinese God water, high-end day of products, became County development new highlights, in domestic also caused sensation. Five five years perseverance, talent highlight scene. Build XX, Shanghai, Guangdong, introducing only three workstations, widely implement "Golden Bridge project", a total of 32,000 people importing all kinds of talent, intelligence, and in particular the introduction of the Chinese Academy of engineering, XX University of chemical Tan tianwei, the "thousand person plan" expert-Guo Xin, domestic and foreign medical experts-Dr Wang Chuanhua and high-end talent in America. Among them, Dr Wang chuan-Hua was awarded the provincial government "province's Taishan industry leading talent" honor, Is the city's only overseas science and technology industry leaders, and provincial and municipal entrepreneurship support fund of 3 million Yuan. Rising part-time research scientists Zhu Qing of the Group increased, leading new materials research and development team, to focus on the more high-tech projects research, 2015 was awarded the XX city "Tarzan and leaders of excellence" honors. Two top talent is the embodiment of achievement in my talents over the years. Personnel training has intensified. Strong integration of various training resources, vigorously implement the "advanced training Enterprise talents" "resettlement and practical training", "travel professionals in action" e-commerce "Yu CAI" four personnel training project. Only in 2015, training immigrants with practical skills, tourism professionals and other professionals at all levels to 64,000 people