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Lenticular Refractive Surgery (Techniques and Technology)
Ashok Garg, Jorge L Alio, Dimitrii Dementiev, Antonio A Marinho
1:
Lenticular Refractive Surgery: A New Perspective
INTRODUCTION
HISTORY OF REFRACTIVE LENSES
INDICATIONS FOR LENTICULAR REFRACTIVE SURGERY
CONTRAINDICATIONS FOR LRS
PREOPERATIVE ASSESSMENT FOR LENTICULAR REFRACTIVE SURGERY
POSTOPERATIVE ASSESSMENT IN LENTICULAR REFRACTIVE SURGERY
ADVANTAGES OF LENTICULAR REFRACTIVE SURGERY OVER LASER CORRECTIVE PROCEDURES
2:
The Limits of Laser Corneal Surgery
CORNEAL SURGERY FOR MYOPIA AND HYPEROPIA—AN OVERVIEW
LIMITS OF LASIK
Case 1
Case 2
Case 3
Case 4
Case 5
COMPLICATIONS OF LASIK
LASIK VS PHAKIC IOLs
3:
Types of Phakic Lenses
INTRODUCTION
ANTERIOR CHAMBER PHAKIC LENSES
Vivarte/GBR Lens
Safety Flex Phakic-6 Lens
JMJ Lens
LN-2000 Lens
ZSAL-4 Lens
ICARE Lens
Kelman Duet Lens
Artisan Lens
POSTERIOR CHAMBER LENSES
Implantable Contact Lens (ICL)
Phakic Refractive Lens (PRL)
Precrystalline Lens
4:
Phakic Refractive Lens (PRL™) for Myopia and Hyperopia correction
INTRODUCTION
HISTORY OF PRLs: BACKGROUND AND DEVELOPMENT
Pupil-fixated Lens (Mushroom) (Fig. 4.1)
Posterior Chamber Phakic Lens Made in Russia (Fig. 4.3)
Posterior Chamber Phakic Lens (PRL™) by IVI-Medennium (Fig. 4.5)
PRL Medennium /Ciba Vision Surgical (Fig. 4.7)
PATIENT SELECTION
Myopic Range
Hyperopic Range
Unilateral High Myopia with Amblyopia in Children
Combined Astigmatism
Keratoconus Correction and Correction of the Refractive Error of the Previous Surgery
Poor Candidates
PREOPERATIVE PREPARATION
PRL Power Calculation
Clinical Rules
Iridectomy
Surgical
Laser
INSTRUMENTATION (FIGS 4.8 to 4.10)
Incision
Paracentesis
Implant Loading
Insertion
Manipulation
Iridectomy
Other
HANDLING THE IMPLANT
SURGICAL STEPS
Incision
Viscoelastic Insertion (Fig. 4.13)
Paracentesis (Fig. 4.14)
Lens Insertion
Retro-iris Placement and Centration
Iridectomy
Viscoelastic Removal
Pupil Constriction
Incision Closure
Patch
OPERATIVE COMPLICATIONS
Implant Demage
Hemorrhage
Iris Damage
Lens Damage
Endothelial Damage
Zonular Fiber Damage
UNUSUAL SITUATIONS AND POSTOPERATIVE COMPLICATIONS
IOP Increase on First or Secondary Day PO
Traumatic Cataract (Lens Damage during Surgery)
Subcapsular Opacity
Iridocyclitis Early Postoperative
RESULTS
CONCLUSION
PEDIATRIC USAGE
FUTURE APPLICATIONS
Piggyback over IOLs
Pseudophakic Ametropia Correction
Multifocal Correction
PRL IMPLANTATION FOR THE CORRECTION OF HIGH AMETROPIA
Informed Consent
The Risks and Possible Problems
5:
Refractive, Endothelial and Aberrometric Follow-up of Foldable Anterior Chamber Phakic IOL (Vivarte)
INTRODUCTION
CLINICAL EXPERIENCE WITH VIVARTE
Why a Foldable Anterior Chamber Phakic IOL ?
Patient and Eye Selection
Comments on Surgical Technique
Complications
CONCLUSIONS
6:
Iris Claw Verisyse Phakic IOL
INTRODUCTION
LENS DESIGN
CRITICAL DISTANCES TO THE ENDOTHELIUM
Range of Correction
Miminum Requirements
PREOPERATIVE EVALUATION
PREOPERATIVE MANAGEMENT
OPERATION
Anesthesia
SURGICAL TECHNIQUE
When Using an Enclavating Needle
THE INSTRUMENTS
Enclavation
Recommendation
Enclavation with the Enclavation Forceps
Technique
Contraindications
Complications
Intraoperative Complications
Early Postoperative Complications
Late Postoperative Complications (not necessarily lens-related)
Postoperative Medication
Postoperative Examinations
CALCULATION OF REFRACTIVE POWER OF LENS
REFRACTIVE CORRECTION OF MYOPIA
Calculation of Refractive Power of Lens for Hyperopia
7:
Phakic Refractive Lens (PRL™) for Treating High Myopia
INTRODUCTION
HISTORY OF POSTERIOR CHAMBER LENSES
PREOPERATIVE EVALUATION: PRL MODEL SELECTION
OPERATIVE TECHNIQUE
POSTOPERATIVE MANAGEMENT: EVALUATION
COMPLICATIONS
PRL™ RESULTS
8:
Phakic Intraocular Surgery in Hyperopia
INTRODUCTION
CHALLENGES IN HYPEROPES
LASIK VS PHAKIC IOLs IN HYPEROPIA
CONTRAINDICATIONS TO PIOL
PROPER SELECTION AND ASSESSMENT OF PATIENTS
Preoperative Assessment
CHOICE OF LENSES
Angle-supported Anterior Chamber Phakic IOLs
Posterior Chamber Phakic IOLs
Iris-fixated Phakic IOLs
Designs
TECHNIQUE OF ARTISAN LENS IMPLANTATION: PERSONAL EXPERIENCE AND TECHNIQUE
SPECIFIC COMPLICATIONS IN HYPEROPIC ARTISAN LENS IMPLANTATION
How to Avoid Complications
Intraoperative Complications
Postoperative Complications
9:
Toric Phakic IOLs
WHY TORIC PHAKIC IOLs?
TYPES OF TORIC PHAKIC IOLs
TORIC ARTISAN—THE IOL
SURGICAL TECHNIQUE
RESULTS
COMPLICATIONS
TORIC ARTISAN IN SPECIAL CASES
CONCLUSIONS
10:
The Toric Phakic Iris Claw Lens: Surgical Correction of Myopia, Hyperopia and Astigmatism
ABSTRACT
PATIENTS AND METHODS
RESULTS
Refraction
Astigmatic Correction and Rotational Stability
Endothelial Cell Loss and Intraocular Pressure
Complications
Questionnaire
Discussion
11:
Complications of Phakic IOLs
INTRODUCTION
TYPES OF PHAKIC IOLs
COMPLICATIONS OF PHAKIC IOLs
Complication of Anterior Chamber Angle-supported Phakic IOLs
Endothelial Complications
Size-related Complications
Quality of Vision Issues
Other Problems
COMPLICATIONS OF IRIS-SUPPORTED PHAKIC IOLs
COMPLICATIONS OF POSTERIOR CHAMBER PHAKIC IOLs
12:
Humanoptics Accommodating IOL
INTRODUCTION
HUMANOPTICS
AKKOMMODATIVE 1 CU IOL
MECHANISM OF ACTION
BIOMETRY
SURGICAL TECHNIQUE
POSTOPERATIVE CARE
13:
New IOL Technologies
PHAKIC IOLs
Anterior Chamber IOLs
Criteria for Patient Selection
Iris-fixated IOLs
Angle-supported IOLs (Table 13.1)
Selection of Angle-supported IOL
Posterior Chamber Phakic IOLs (Table 13.2)
Customised Phakic IOLs
SMART LENS
COLLAMER IOL
MULTIFOCAL INTRAOCULAR LENSES
Refractive MIOLs
Two-zone/Target or Center Surround MIOL
Three-zone MIOL
Five-zone Spherical Curve MIOL
Diffractive MIOLs
Presbyopic Lens Exchange
ACCOMMODATING INTRAOCULAR LENS
LASER ADJUSTABLE IOL
TORIC INTRAOCULAR LENSES
PIGGYBACK INTRAOULAR LENSES
NEW IOLs FOR MICROINCISION CATARACT SURGERY
ThinOptx Rollable IOL
Acri Smart (Acri. Tec) IOL
AcriFlex IOL
Hydriol Slim
NEGATIVE SPHERICAL IOL
IMPLANTABLE MINIATURIZED TELESCOPE (IMT)
THE PRISMATIC IOL
BLUE LIGHT-FILTERING IOL
COMPLICATIONS OF FOLDABLE INTRAOCULAR LENSES
Descemet's Membrane Detachment Caused by IOL during Insertion
Posterior Capsular Rupture during IOL Insertion
IOL Damage during Insertion
Bag Sulcus Fixation
IOL Decentration
Lens Dislocation
Glare
Capsular Bag Distention Syndrome
Capsular Contracture Syndrome
Posterior Capsule Opacification
Endophthalmitis
14:
Refractive Lens Exchange
SYNOPSIS
ABSTRACT
TECHNIQUE
RESULTS
DISCUSSION
15:
Pseudoaccommodative ReSTOR IOL to Correct Defocus and Presbyopia in Refractive Lens Exchange
16:
Multifocal Refractive Lenses
INTRODUCTION
MULTIFOCAL IOLs
MULTIFOCAL IOLs AND MICROINCISION CATARACT SURGERY
17:
Clear Lens Extraction
INTRODUCTION
HIGH MYOPIA
HIGH HYPEROPIA
CONCLUSION
PRESBYOPIA
ICU IOL
18:
“Newlife” Multifocal Phakic Implant for the Correction of Presbyopia
INTRODUCTION
NEWLIFE BIFOCAL PHAKIC IMPLANT
ANTERIOR CHAMBER DIMENSION
Internal Diameter
Anterior Chamber Depth
SURGICAL TECHNIQUES
Anatomical Exclusion Criteria
Choice of Implant
Power of the Implant
RESULTS
Refraction
Distant Visual Acuity
Near Visual Acuity
Efficacy and Safety Ratio
ANATOMICAL RESULTS: INCIDENTS AND COMPLICATIONS
Loss of Visual Acuity
Loss of Contrast Sensitivity
Reduction of Retinal Illumination
Halos
Pupil Ovalization
Cataract
Ocular Hypertonia
Endothelium
Explantations
SUMMARY
19:
Catarefractive Surgery—A Next Step to Phaconit
INTRODUCTION
Concept
Bimanual Micro Phaco
HISTORY
Bimanual Phaco
Astigmatism Keratotomy
Catarefractive Diagram (Flow Charts 19.1 and 19.2)
Preoperative Exams
Bimanual Microphacoemulsification Technique
Astigmatisme Keratotomy (Figs 19.8 and 19.9)
Monovision versus Multifocal
Example Case Report
Result
CONCLUSION
Bimanual Microphaco
Catarefractive Surgery
20:
Futuristic Lenses for Refractive Lens Surgery
INTRODUCTION
INDEX
TOC
Index
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