Refractive Lens Surgery

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Fig. 15.1. The Alcon AcrySof multifocal IOL Fig. 15.2. Diffractive vs. zonal refractive optics (AcrySof vs. Array) The Tecnis Z9000 intraocular lens (AMO, Santa Ana, CA) has been designed with a modified prolate anterior surface to reduce or eliminate the spherical aberration of the eye. The Tecnis Z9000 shares basic design features with the CeeOn Edge 911 (AMO), including a 6-mm Chapter 15 The Tecnis Multifocal IOL 147 biconvex square-edge silicone optic and angulated cap C polyvinylidene fluoride (PVDF) haptics. The essential new feature of the Tecnis IOL,the modified prolate anterior surface,compensates for average corneal spherical aberration and so reduces total aberrations in the eye.
148 M. Packer · I.H. Fine · R.S. Hoffman Clinical studies show significant improvement in contrast sensitivity and functional vision with the new prolate IOL [4]. AMO plans to unite this foldable prolate design with their diffractive multifocal IOL currently available in Europe (811E) (Fig. 15.3). Improved visual performance and increased independence for patients constitute the fundamental concept behind this marriage of technologies. This new prolate, diffractive, foldable, multifocal IOL has received the CE mark in Europe. Introduction of the IOL in the USA will be substantially later. Food and Drug Administration-monitored clinical trials were expected to begin in the fourth quarter of 2004. Optical bench studies reveal superior modulation transfer function at both distance and near when compared to standard monofocal IOLs with a 5-mm pupil, and equivalence to standard monofocal IOLs with Fig. 15.3. The Tecnis ZM001, CeeOn 911A, Tecnis Z9000, and CeeOn 811E IOLs a 4-mm pupil (Fig. 15.4). When compared to the Array multifocal IOL, the Tecnis IOL has better function for a small, 2-mm pupil at near and for a larger, 5-mm pupil at both distance and near (Fig. 15.5). From these studies, it appears that combining diffractive, multifocal optics with an aspheric, prolate design will enhance functional vision for pseudophakic patients. Multifocal technology has already improved the quality of life for many pseudophakic patients by reducing or eliminating their need for spectacles. We (i.e., those of us over 40) all know that presbyopia can be a particularly maddening process. Giving surgeons the ability to offer correction of presbyopia by means of multifocal pseudo-accommodation will continue to enhance their practices and serve their patients well.
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Refractive Lens Surgery I. H. Fine
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Editors I. Howard Fine, MD Mark Pac
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Preface The first recorded time a h
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X Contents Chapter 14 AcrySof ReSTO
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Contributors Jorge L. Alio, MD, PhD
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1 The Crystalline Lens as a Target
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2 CORE MESSAGES Refractive Lens Exc
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na that have been observed with som
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piration through two separate incis
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6 R.S. Hoffman · I.H. Fine · M. P
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8 R.S. Hoffman · I.H. Fine · M. P
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10 R.S. Hoffman · I.H. Fine · M.
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12 M. Packer · I.H. Fine · R.S. H
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22 J.T. Holladay 4.1 Introduction T
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24 J.T. Holladay but only seven pre
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26 J.T. Holladay from morning to ni
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28 J.T. Holladay 4.3.2.2.3 Corneal
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30 J.T. Holladay rienced this condi
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32 J.T. Holladay many of these pati
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34 J.T. Holladay IOL eRx V 1336 =
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36 J.T. Holladay raised. A more tho
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38 J.T. Holladay rior segment laser
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40 D.D. Koch · L.Wang corneal refr
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42 D.D. Koch · L.Wang Table 5.1. M
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44 D.D. Koch · L.Wang Fig. 5.4. Nu
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46 D.D. Koch · L.Wang Fig. 5.5. Ce
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48 D.D. Koch · L.Wang ∑ Double-K
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50 L.D. Nichamin surgeon the abilit
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52 L.D. Nichamin Table 6.1. The Nic
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54 L.D. Nichamin 3.2 mm, its neglig
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56 L.D. Nichamin Fig. 6.4. The Nich
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58 L.D. Nichamin References 1. Anon
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60 S. Bylsma aphakic state. In cont
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62 S. Bylsma length),underwent full
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64 S. Bylsma K-Astigmatism
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66 S. Bylsma STIOL in the reversed
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68 S. Bylsma about the dynamics at
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8 Correction of Keratometric Astigm
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Fig. 8.2. AcrySof toric IOL implant
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Fig. 8.3. Mean absolute residual cy
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References 1. Hoffer KJ (1980) Biom
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10 The Eyeonics Crystalens Steven J
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Fig. 10.3. Under binocular conditio
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Fig. 10.6. Anterior movement of the
Page 104 and 105: Fig. 10.7. One- and 3-year data fro
Page 106 and 107: 10.6 Postoperative Considerations C
Page 108 and 109: 10. Dell SJ (2004) Objective eviden
Page 110 and 111: 100 N.X. Nguyen · A. Langenbucher
Page 122 and 123: 12 CORE MESSAGES Synchrony IOL H. B
Page 124 and 125: Fig. 12.1. The single-piece silicon
Page 126 and 127: 12.5 Clinical Results Clinical tria
Page 128 and 129: Fig. 12.6. Retroillumination photog
Page 130 and 131: References 1. Fisher RF (1973) Pres
Page 132 and 133: 124 F.M. Sarfarazi 13.1 The Nature
Page 134 and 135: 126 F.M. Sarfarazi Fig. 13.4. Lens
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Page 144 and 145: 136 F.M. Sarfarazi References 1. Ma
Page 146 and 147: 138 A. Mirshahi · E.Terzi · T. Ko
Page 152 and 153: 15 The Tecnis Multifocal IOL Mark P
Page 156 and 157: Fig. 15.4. Multifocal vs. monofocal
Page 158 and 159: 16 Blue-Light-Filtering Intraocular
Page 160 and 161: Fig. 16.2. Cultured human RPE cells
Page 162 and 163: tion to benefiting from less exposu
Page 164 and 165: 16.7 Blue-Light-Filtering IOLs and
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Page 168 and 169: 17 CORE MESSAGES The Light-Adjustab
Page 170 and 171: Fig. 17.2 a-c. Cross-sectional sche
Page 172 and 173: 17.4 Animal Studies Dr. Nick Mamali
Page 174 and 175: Fig. 17.8. A laser interferogram (l
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Page 190 and 191: 184 S. Norrby Koopmans et al. [28]
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Page 194 and 195: 188 L. Nordan · M. Morris regular
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200 J.L. Alio · A. Galal · J.-L.R
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22 CORE MESSAGES The Infiniti Visio
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Fig. 22.3. The AquaLase handpiece u
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23 CORE MESSAGES The Millennium Ros
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Fig. 23.1. Bausch & Lomb’s new cu
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Fig. 23.2. Advanced flow system car
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Fig. 23.5. Pulse or burst mode with
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24 CORE MESSAGES The Staar Sonic Wa
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Fig. 24.2. The tip undergoes compre
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the sonic tip moves back and forth
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25 CORE MESSAGES AMO Sovereign with
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Fig. 25.3. Schematic diagram of cav
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the Sovereign Compact (see Fig. 25.
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234 M. Packer · R.S. Hoffman · I.
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27 Conclusion: The Future of Refrac
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240 Subject Index Contrast sensitiv
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242 Subject Index P Pachymetry 53,
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