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Multifocal IOLs
I Howard Fine, Frank Joseph Goes, H Burkhard Dick, Michael C Knorz
SECTION ONE: BASICS
1:
Optical Principles of Multifocal IOLs
SUMMARY
INTRODUCTION
OPTICAL PRINCIPLES OF REFRACTIVE MIOLs
OPTICAL PRINCIPLES OF DIFFRACTIVE MIOLs
TESTING OPTICAL PERFORMANCEON AN OPTICAL BENCH
2:
Accommodative Lens Refilling
ABSTRACT
INTRODUCTION
A NEW LENS REFILLING MATERIAL
LENS STRETCHING STUDY
AMOUNT OF REFILLING
CAPSULAR OPACIFICATION
PRIMATE STUDY
CONCLUSION
3:
How to Test Reading Improvement after Presbyopic Surgery?
4:
Importance of Reading Speed in Multifocal IOL Implantation
INTRODUCTION
WHAT IS READING?
RADNER READING CHARTS
READING ACUITY AND READING SPEED AFTER CATARACT SURGERY
PATIENTS AND METHODS
READING ACUITY AND READING SPEED
STATISTICAL METHODS
RESULTS
Residual Refractive Error
Pupil Size
Reading Acuity
Reading speed
DISCUSSION
5:
Multifocal IOLs and Dynamic Vision
FUNCTIONAL ORGANIZATION OFTHE VISUAL SYSTEM
MOTION PERCEPTION AND DYNAMIC VISION
MULTIFOCAL LENS AND DYNAMIC VISION
FLASH-LAG EFFECT
PURSUIT ANALYSIS
6:
Improvement of Visual Function with Training after Multifocal Intraocular Lens Implantation
CATEGORY
KEYWORDS
ABSTRACT
Purpose
Materials and Methods
Training Method
Assessment of OVA
Results
Discussion
SECTION TWO: HOW TO BRING THE CONCEPT TO THE PATIENT?
7:
Eyemaginations
INTRODUCTION
PATIENT EDUCATION
Why 3-Dimensional Animation?
THE 3D-EYE OFFICE PROGRAM
THE IMPORTANCE OF MANAGING EXPECTATIONS
PATIENT ADMINISTRATION USINGSOFTWARE TECHNOLOGY
3D-Eye Home
3D-Eye Advisor
HOW TO LEARN MORE
SECTION THREE: MULTIFOCAL AND ACCOMMODATIVE IOLS/OVERVIEW
8:
The Current Status of Multifocal IOLs
THE CURRENT OFFERING OFMULTIFOCAL IOLS
MULTIFOCAL IOLS
REFRACTIVE MULTIFOCAL IOLS
ReZoom Clinical Results
Clinical Results
DIFFRACTIVE MULTIFOCAL IOLs
ReSTOR Clinical Results
Combination Refractive-DiffractiveMultifocal IOLs
ANTERIOR CHAMBER MULTIFOCAL IOL
COMBINING DIFFERENT TYPES OF MULTIFOCAL IOLS
EVOLUTION OF USAGE OF MULTIFOCAL IOLs
CONCLUSIONS
9:
Current Status of Accommodative IOLs
IOLS FOR REFRACTIVE LENS EXCHANGE
LENSES THAT MOVE IN THE EYE
DUAL-OPTIC ACCOMMODATIVE IOLS
DEFORMABLE OPTIC IOLS
NEW INNOVATIVE TECHNOLOGIES
10:
Clinical Results with the New Generation of Multifocal Intraocular Lenses
ACRI.LISA
TECNIS
ACRYSOF RESTOR
DISCUSSION
SECTION FOUR: IOL POWER CALCULATION FOR MULTIFOCAL IOLS
11:
IOL Calculation for Multifocal IOLs
INTRODUCTION
MATERIAL AND METHODS
Patient Data
CALCULATIONS
RESULTS
DISCUSSION
CONCLUSION
ACKNOWLEDGEMENT
12:
IOL Power CalculationFormulas—An Update
INTRODUCTION
IOL POWER FORMULAS
Theoretical formulas
Regression formulas
THE ESTIMATED IOL POSITION (ELP)
ACCURACY OF IOL POWER CALCULATION
THE NEW GENERATION FORMULAS
SRK Formula
Hoffer Q formula
Holladay Formulas
Olson Formula
Haigis Formula
Lin's S-Formula
IOL POWER IN APHAKIC EYE
IOL POWER IN PHAKIA AND PIGGY-BACK-IOL
Piggy-back IOL Power
ACCOMMODATING IOL (AIOL)
CONCLUSION
SECTION FIVE: PATIENT SELECTION
13:
Premium Presbyopia—Correcting IOLs
ACHIEVE POSTOPERATIVE REFRACTIVE ACCURACY
REDUCE PREEXISTING CORNEAL ASTIGMATISM
FIX POSTOPERATIVE REFRACTIVE SURPRISES
START WITH CATARACT PATIENTS FIRST
CHOOSE THE RIGHT INITIAL PATIENTS
DELIVER CLEAR CORNEAS
MINIMIZE COMPLICATIONS—SOFT IRRIGATION AND ASPIRATION
PREVENT CYSTOID MACULAR EDEMA—NONSTEROIDAL ANTI INFLAMMATORY DRUGS
CHOOSE THE RIGHT INTRAOCULAR LENS
UNDERPROMISE AND OVERDELIVER
Premium Intraocular Lenses in Patients with Prior Refractive Surgery
IOL Selection
IOL Power Calculation
Intraoperative Considerations
Postoperative Management
Implanting Premium IOLs in Patients with Compromised Capsular Support
Anterior Capsular Tears/Radialization
Posterior Capsule Rupture
Weak and Missing Zonules
Accommodating Intraocular Lenses
Postoperative Management of Patients with Presbyopic IOLs
Timeline of Healing and Visual Recovery
Minimize Complications
Postoperative Refractive Status
Encouragement and Feedback for Patients
14:
Mixing and Matching IOLs: Options and Results
INTRODUCTION
AVAILABLE IOLS: STRENGTHS AND WEAKNESSES
MIX AND MATCH OPTIONS
OUTCOMES WITH MIX AND MATCH
CONCLUSION
SECTION SIX: CLINICAL EXPERIENCE WITH DIFFERENT MULTIFOCAL IOLS
15:
Personal Experiences with the Single Optic 1 CU and the Synchrony Dual Optic Accommodative IOLs
16:
First Experiences with the Rayner Aspheric, Toric, Multifocal Intraocular Lens (M-Flex-T)
INTRODUCTION
PATIENTS AND METHODS
RESULTS
CONCLUSIONS
17:
Bilateral ReZoom Implantations: Personal Experience
18:
Multifocal IOLs in Children
MULTIFOCAL IOLs INCHILDREN (Fig. 1A and B)
PERIOPERATIVE ROUTINE AND SELECTION OF ANESTHETIC AGENTS
OCULOCARDIAC REFLEX
SURGICAL TECHNIQUE (FIG. 2)
Imperative
Posterior Rhexis and Vitrectomy
Statistics
CONCLUSION
19:
How to Proceed with Multifocals in Children?
INTRODUCTION
GENERAL POINTS: INTRAOCULAR LENS IMPLANTATION IN CHILDREN
Choice of the Lens
When Can We Use Multifocal Lens?
How We Can Calculate the Power of the Implant?
Is it important to do Posterior Capsulorhexis with Anterior Vitrectomy in Multifocal Implantation?
Secondary implantation
Contraindication
Preoperative Points
Surgical Techniques
Postoperative Follow-up
RESULTS
CONCLUSION
SECTION SEVEN: CUSTOMIZING MULTIFOCAL IOLS
20:
Male/Female Differences Regarding Patient Satisfaction after Implantation of Multifocal IOLs
INTRODUCTION
REQUIREMENTS
RESULTS-HOW I CHANGED MY APPROACH
DISCUSSION
PATIENT EXPECTATION
SURGICAL APPROACH ACCORDING TO SEX
21:
Mixing and Matching Customized Approach Tecnis-ReZoom
INTRODUCTION
Why Mixing Lenses? Why Mix and Match?
Improving Intermediate Vision
PREOPERATIVE TESTS
LENS CHARACTERISTICS AND DIFFERENCES
Diffractive Lenses
Tecnis Multifocal
Advantages
Regarding Other Diffractive Lenses
Disadvantages
Regarding Other Diffractive Multifocal Lenses
Regarding Other Refractive Multifocal Lenses
REFRACTIVE MULTIFOCAL LENSES
ReZoom
Advantages
Regarding Diffractive Lenses
CHAIR TIME
Discussing it with The Patient
What Should Patients Know Before Surgery Regarding The Postoperative Period?
What Should the Physician Know Before Recommending Implantation of a Multifocal Lens?
How to Get Started and Who are the Best Candidates?
PATIENT SELECTION
When to Use Multifocal Lenses?
EXCLUSION CRITERIA
KEY SUCCESS FACTORS
OUR RESULTS
Patients and Methods
SUMMARY
When to Use Custom Match?
Clear Lens Extraction: Special Considerations
Special Cases
THE PHYSICIAN'S ATTITUDE TOWARD A DISSATISFIED PATIENT
What Points Should We Check?
When To Explant?
CONCLUSIONS
22:
How to Obtain Patient Satisfaction Using ReZoom-Tecnis and Tecnis-Tecnis?
INTRODUCTION
A. MULTIFOCAL IOLs THE APPROACH
Product Description: Tecnis -ReZoom Lens
ReZoom Multifocal IOL
How to Select Candidates?
Patient Expectations
Preoperative Testing
Surgical Technique
Enhancements—Complications—Lens Exchange
Eventual Intraocular Lens Exchange—When?
Implantation Technique Tecnis or ReZoom
Staged Intraocular LensSelection Custom Mixing
Which Lens in Which Eye?
CONCLUSION
B. REFRACTIVE LENS EXCHANGE
CUSTOMIZING -MIXING AND MATCHING TECNIS- REZOOM
INTRODUCTION
Patients and Methods
IOL Power Calculation/Surgical Technique
Measurements and Analysis
Results
DISCUSSION
CONCLUSION
C. BILATERAL REFRACTIVE LENS EXCHANGE WITH THE DIFFRACTIVE MULTIFOCAL TECNIS ZM900 IOL
ABSTRACT
Results
CONCLUSIONS
PATIENTS AND METHODS
Patient Selection
IOL Power Calculation
Surgical Technique
Measurements
Statistical Analysis
RESULTS
Preoperative Characteristics
Accuracy of IOL Power Calculation
Patient Satisfaction
Discussion
CONCLUSION
SECTION EIGHT: SURGICAL FINESSES
23:
AcriLISA with MICS
INTRODUCTION
Why Microincision Cataract Surgery (MICS)?
Why Multifocal (MF) IOL?
Advantages of MICS
Advantages of MF IOLs Associated to MICS
MICS MF IOLS: ACRILISA
CLINICAL RESULTS OF MICS MULTIFOCAL IOLS
Clinical Data
Clinical Outcomes of Acrilisa 366D
Intraocular Optical Quality
Acrilisa “In Vivo” Optical Quality Studies (Fig. 2)
CONCLUSION
24:
State of the Art Surgery for Multifocal IOL Implantation
INTRODUCTION
CATARACT OR LENS SURGERY
U/S-Phaco Emulsification
Phaco Caroussel Technique
M-IOL Implantation
Surgical Media Center
Discussion
25:
Laser Enhancement After Multifocal IOL Implantation
LENS SURGERY
Mix and Match – My Approach
Patient Selection
Which Refractive Errors Should be Treated?
Customized Laser Vision Correction
Why Customized Ablation?
IRIS REGISTRATION
Limits of Customized Ablations
When Should Laser VisionCorrection be Performed?
CONCLUSION
SECTION NINE: FUTURE
26:
Phaco-Ersatz: Will it be there Tomorrow?
INTRODUCTION
Human Accommodation and Presbyopia
CONCEPTS OF RESTORING ACCOMMODATION
Injectable Accommodative Lenses
CONCLUSION
INDEX
TOC
Index
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