Rayner多焦点

w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 Rayner 多焦点人工晶体介绍多焦点人工晶体介绍w w w .r a y n e r .c o m1、获得看远，看近的能力，模拟人自然地全程视力。2、获得的方法：折射 衍射 折射、衍射混合使用选择多焦晶体原因，实现的方法：w w w .r a y n e r .c o m单焦晶体属于折射型的人工晶体，能量100%集中Rayner 多焦晶体属于折射型人工晶体Refraction折射w w w .r a y n e r .c o m区带折射型晶体是将折射光带构筑在光学面上环带产生视远、视近和中程图像，在设计原理上光能的利用为100%，负责看远和看近。优势：在看远、看近的焦点上，能量是100%的分配，因此清晰度高，患者术后的适应时间短。不足：一定的瞳孔依赖性（正常瞳孔最小2mm）居中性要求较高环形区带边缘的光线散射造成视觉干扰折射型晶体的特点w w w .r a y n e r .c o m波在传播过程中经过障碍物边缘或孔隙时所发生的传播方向弯曲现象。比如光传播时通过小孔。Diffraction衍射w w w .r a y n e r .c o m衍射性多焦晶体由很多能够产生衍射的部分组成，通常是由刻在晶体表面上的环或者阶梯来达到衍射的效果。衍射晶体Diffractive Lensesw w w .r a y n e r .c o m衍射理论的缺陷是基于理想化的光学设备来作为衍射晶体的设计基础。衍射的缺陷Diffraction Limitw w w .r a y n e r .c o m利用光波动力衍射原理在光学面上构筑衍射阶梯和衍射区带将光线分别送至远、近两个焦点。优势：对瞳孔的依赖性较小不足：对居中性要求较高不能100%利用光能，只有80-82%的有效能量，18-20%的能量损耗，对比敏感度下降较大。衍射型晶体的特点w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 英国英国Rayner 人工晶体有限公司人工晶体有限公司建立在理想人工晶体平台基础上的非球面多焦点人工晶体 M-flex（630F）w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 M-flex （630F）非球面多焦点人工晶体规 格附加光焦度+3.0D 附加光焦度+4.0D度数范围 +14.0D至+18.0D +10.0D至+25.0D 1.0D递增 0.5D递增 +18.5D至+23.5D 0.5D递增 +24.0D至+25.0D 1.0D递增 直 径 6.25mm 6.25mm 全 长 12.5mm 12.5mm襻 夹 角 0 0 A 常 数 118.0 118.0前房深度 4.97mm 4.97mmw w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 Multifocal IOLsw w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 Distance Zonesw w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 Near Zonew w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 Togetherw w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 Two Objectsw w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 Distance Zonesw w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 Near Zonew w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 Togetherw w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 Two Objects TogetherNEUROADAPTATION神经调节w w w .r a y n e r .c o mRayner多焦晶体M-flex的特点：1、环带的单独非球面处理，降低视觉干扰，获得更好的视觉质量Copyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 M-flex（630F）非球面多焦点人工晶体调制传递函数 w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 Rayner多焦晶体M-flex的特点：2、瞳孔依赖性降至最低正常瞳孔最小直径：2.0mm，M-flex:1.75mm1.75mmw w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 Rayner多焦晶体M-flex的特点：3、居中性表现卓越独特的襻设计，确保晶体优异的稳定性 专利的AVH 襻w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 专利的AVH 襻优异的稳定性专利的AVH襻技术（抗屈折技术）提供一个可控制的、渐进性的张力来对抗囊袋的收缩，使得Rayner晶体拥有极佳的稳定性 居中性旋转稳定性对抗倾斜和轴向位移w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 专利的AVH 襻优异的稳定性无论在任何直径的囊袋内，AVH襻通过外襻和内襻的共同作用，以获得最好的囊袋稳定性。w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 w w w .r a y n e r .c o mPatented AVH Technology11 M-flexw w w .r a y n e r .c o mAmon-Apple Enhanced Square Edge11 M-flexw w w .r a y n e r .c o mRayacryl11 M-flexw w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 Rayner 多焦的光学设计折射性设计，屈光度在前表面五个同心光学区带，每个区带单独非 球面处理中心区带直径为1.75mm渐进性多焦点设计附加屈光度+3D和+4Dw w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 前后表面对比w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 M-flex（630F）非球面多焦点人工晶体w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 M-flex（630F）非球面多焦点人工晶体人工晶体的计算 可以采用传统单焦点人工晶体的计算方法 也可以登陆Rayner 公司专用的网站计算 password:s-demo101 login name:s-demo101 w w w .r a y n e r .c o mThe aim of our study was to compare functional results of cataract surgery in patients implanted with M-FLEX(Rayner,UK)multifocal IOLs with different additions for near vision PURPOSE PURPOSE Efficacy,safety,predictability and stability of the refractive Efficacy,safety,predictability and stability of the refractive results,intraoperative and postoperative complications and results,intraoperative and postoperative complications and patients satisfaction with VF-14 test were evaluatedpatients satisfaction with VF-14 test were evaluatedw w w .r a y n e r .c o mMETHODSMETHODSAddition Addition power power for nearfor nearRange(Dsph)Range(Dsph)PatientsPatientsEyesEyesAgeAge(mean)(mean)Follow-up Follow-up timetimeGroupGroup 1 1+3.0 D+3.0 D14.0-25.014.0-25.01616323239-69(57.4)39-69(57.4)12 months12 monthsGroup 2Group 2+4.0 D+4.0 D17.0-24.017.0-24.01616323241-71(58.5)41-71(58.5)12 months12 monthsl lMMotivated to reduce otivated to reduce their dependency their dependency on glasseson glasseslThe follow-up time was 12 months.w w w .r a y n e r .c o mParameterResultsgroup I+3Dgroup II+4DSphere(D)Mean SD-0.73 2.65-0.29 3.65Range-6.25 to+3.00-12.75 to+3.00Cylinder(D)Mean SD-0.22 0.89-0.08 1.24Range-2.00 to 1.25-1.75 to 1.25Spherical equivalent SE(D)Mean SD-0.84 2.94-0.33 4.15Range-6.63 to 3.25-6.63 to 3.25Axial length(mm)Mean SD23.53 1.1520.97 2.20Range 21.97 to 26.4221.73 to 24.76Mean IOL Power Sphere(D)Mean SD20.59 2.5620.97 2.20Range14.00 to 25.0017 to 24.00Mean mesopic pupil diameter(mm)4.23 1.174.25 1.07Range2.28 to 6.822.28 to 5.67Intraocular pressure(mmHg)16.19 2.3516.74 2.52Range11.00 to 22.0011.00 to 22.00PREOPERATIVE DATAPREOPERATIVE DATAw w w .r a y n e r .c o mRESULTSRESULTSw w w .r a y n e r .c o mRESULTSRESULTSl lGroup 1 achieved J2 37,50%Group 1 achieved J2 37,50%l lGroup 2-achieved J2 91,70%Group 2-achieved J2 91,70%l lGroup 1 achieved J2 93,40%Group 1 achieved J2 93,40%l lGroup 2 achieved J2 92,30%Group 2 achieved J2 92,30%w w w .r a y n e r .c o mRESULTS monocular CIVA RESULTS monocular CIVA All patients in both group read J2Corrected 0.7 m intermediate visual acuity(J chart)w w w .r a y n e r .c o mRESULTS RESULTS Effectivity index=postop-UDVA/preop-CDVA 1.0We didnt observed any IOL decentration.We didnt observed any IOL decentration.Patients satisfaction evaluated with VF-14 Patients satisfaction evaluated with VF-14 was comparable in both groups.was comparable in both groups.w w w .r a y n e r .c o mM-FLEX(RAYNER)M-FLEX(RAYNER)w w w .r a y n e r .c o mThe implantation of multifocal intraocular lenses provides good near and distance visual acuity,offers full range of vision and reduces dependency on glasses Procedure is reasonable refractive surgery option for middle-aged patientsImplantation of multifocal IOL appears to be safe,effective procedure with excellent anatomical and functional results High level of patients satisfaction confirms purposefulness of surgery.The intermediate vision is better in patients with addition+3.0D.MULTIFOCAL LENSES-CONCLUSIONS w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 M-flex（630F）非球面多焦点人工晶体附加光焦度+3.0D或+4.0D两种选择，最大限度满足患者需要，双眼分别植入，可提供优异的远、中、近视力 w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 M-flex（630F）患者的选择与教育不要选择挑剔的患者，性格开朗的患者是最佳选择 w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 M-flex（630F）患者的选择与教育M-flex（630F）理想的候选人 白内障合并以下问题者：远视合并老视的患者 高度近视患者 严重老视患者 角膜散光小于1.5D 瞳孔正常患者 w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 M-flex（630F）患者的选择与教育M-flex（630F）理想的候选人 结合患者年龄，职业，兴趣爱好，用眼习惯，是否双眼植入等情况，选择+3.0D或+4.0D 多焦人工晶体+3.0D：远视力、中视力 例如：使用电脑较多的人+4.0D：远视力、近视力 例如：喜欢读书的人 w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 M-flex（630F）患者的选择与教育建议：主视眼选择+3.0D，提供好的远视力和中视力 非主视眼选择+4.0D，提供好的远视力和近视力 w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 M-flex（630F）患者的选择与教育不适合多焦点晶体植入的患者 对于视力精度要求很高的患者，例如飞行员 少数精神紧张型的患者，会过分关注术后的主观感觉，将很难适应术后相对较长的适应期，故此不适合植入多焦点晶体 其他不适合单焦点人工晶体植入的患者，亦是多焦点晶体植入的禁忌 w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 M-flex（630F）患者的选择与教育术前与患者的沟通很重要 告诉患者，所有的多焦点晶体都有光晕和眩光等光学异常的可能，发生的概率是因人而异的 大脑皮层对于多焦点人工晶体需要有一个适应的周期，通常约6-12周，这是个大脑学习的过程，一些光学干扰现象是正常的 折射型的多焦点晶体，在强光下，瞳孔小于1.75mm时，中视力或近视力会有困难，在此种情况下，应避免强光的直射，学会对光线的控制（如戴墨镜、眯眼、背对阳光等方法），则能最大限度的减少这种现象 w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 M-flex（630F）非球面多焦点人工晶体 理想的折射型非球面多焦点人工晶体，每个折射区单独非球面处理，增加对比敏感度；附加光焦度+3.0D和+4.0D两种选择，满足不同患者需要，双眼分别植入，可提供优秀的远、中、近视力。AVH襻提供极佳的稳定性，确保多焦点的光学效果 光学部360完全方边，后发障发生率低 材料久经考验，硅油吸附率低 植入安全方便w w w .r a y n e r .c o mCopyright of Rayner Intraocular Lenses Ltd Reproduction Prohibited.Telephone:+44 1273 205401 感谢您感谢您对对 Rayner的支持的支持