Dedication
Acknowledgments
About the AuthorAbout the Associate Editors
Contributing Authors
Foreword by Stephen D. Klyce, PhDIntroduction
Chapter 1 Fundamental Concepts in Corneal ImagingMehdi Roozbahani, MD; Marcony R. Santhiago, MD, PhD; William J. Dupps, MD, PhD;and J. Bradley Randleman, MD Basic Definitions and Terminology Confusing Clinical Concepts Imaging Devices Placido-Based Reflection Devices LED-Based Reflective Devices Tomography-Based Imaging Devices Slit Scanning-Based Tomography Scheimpflug-Based Tomographers Optical Coherence Tomography Very High–Frequency Digital Ultrasound Aberrometers for Wavefront Analysis Summary
Chapter 2 Corneal Imaging Devices: Applications and Set Up Mehdi Roozbahani, MD; Marcony R. Santhiago, MD, PhD; William J. Dupps, MD, PhD;and J. Bradley Randleman, MD Basic Device Set Up Specific Imaging Devices Placido Topography Scanning Slit Imaging (Orbscan II) Scheimpflug Imaging (Pentacam) Dual Scheimpflug/Placido Imaging (Galilei) Scheimpflug/Placido Imaging (Sirius) Anterior Segment Optical Coherence Tomography Very High–Frequency Digital Ultrasound Imaging Artifacts Summary
Chapter 3 Basic Topographic Patterns and Tomographic Correlates J. Bradley Randleman, MD; Marcony R. Santhiago, MD, PhD; and William J. Dupps, MD, PhD Notes on Maps in This
Section
Section 1: Symmetric Nonastigmatic Patterns (Normal Patterns and Variants)
Section 2: Symmetric Astigmatic Patterns (Normal Variants)
Section 3: Asymmetric Astigmatic Patterns (Suspicious Patterns)
Section 4: Abnormal Asymmetric Patterns Against-the-Rule Astigmatism Inferior Steepening Focally Steep Patterns Skewed Radial Axes Asymmetric Bowtie With Skewed Radial Axis Pattern Truncated Bowtie Pattern Vertical D Pattern Drooping D Pattern Pellucid Marginal Degeneration–Like (Crab Claw) Pattern
Section 5: Keratometry/Topography Relationship in Ectatic Corneas
Chapter 4 Epithelial Mapping J. Bradley Randleman, MD; Marcony R. Santhiago, MD, PhD; and William J. Dupps, MD, PhD Epithelial Thickness and Remodeling Patterns
Section 1: General Epithelial Mapping Images in Normal Eyes
Section 2: Epithelial Mapping in Keratoconus
Section 3: Epithelial Mapping in Refractive Surgery Screening
Section 4: Epithelial Mapping After Refractive Surgery
Section 5: Irregular Epithelial Mapping With Corneal Irregularities
Chapter 5 Corneal Ectasia Evaluations J. Bradley Randleman, MD; Marcony R. Santhiago, MD, PhD; and William J. Dupps, MD, PhD Progressively Advanced Presentations of Corneal Ectasias
Section 1: Corneal Ectasia Suspects
Section 2: Keratoconus Highly Asymmetric (Clinically Unilateral) Keratoconus Asymmetric Keratoconus Mild Keratoconus Moderate Keratoconus Severe Keratoconus Atypical Keratoconus Images Stable Keratoconus Progressive Keratoconus Corneal Hydrops
Section 3: Pellucid Marginal Corneal Degeneration
Section 4: Postoperative Corneal Ectasia
Chapter 6 Corneal Imaging in Refractive Surgery Evaluations J. Bradley Randleman, MD; Marcony R. Santhiago, MD, PhD; and William J. Dupps, MD, PhD Note on Screening Recommendations
Section 1: Suitable Refractive Surgery Candidates: Normal Imaging and Variants
Section 2: Suspicious Imaging in Refractive Surgery Evaluations
Section 3: Abnormal Imaging in Refractive Surgery Evaluations
Section 4: Ectasia After LASIK Cases: Preoperative Corneal Imaging
Chapter 7 Postoperative Patterns After Corneal and Refractive Surgery J. Bradley Randleman, MD; Marcony R. Santhiago, MD, PhD; and William J. Dupps, MD, PhD
Section 1: Keratoplasty
Section 2: Incisional Refractive Surgery
Section 3: LASIK
Section 4: Photorefractive Keratectomy
Section 5: Small Incision Lenticule Extraction
Section 6: Phakic Intraocular Lens
Section 7: Intracorneal Ring Segments
Section 8: Orthokeratology
Section 9: Corneal Cross-Linking Imaging
Section 10: Therapeutic Topography-Guided Ablations
Chapter 8 Corneal and Refractive Surgery Complications J. Bradley Randleman, MD; Marcony R. Santhiago, MD, PhD; and William J. Dupps, MD, PhD
Section 1: Ablation Issues
Section 2: LASIK Flap Complications
Section 3: Interface Complications
Section 4: Ocular Surface Complications
Section 5: Complications After Incisional Refractive Surgery
Section 6: Complications After Intracorneal Ring Segments Implantation
Section 7: Phakic Intraocular Lens Complications
Section 8: Complications After Keratoplasty
Chapter 9 Clinical/Topographic Correlations J. Bradley Randleman, MD; Marcony R. Santhiago, MD, PhD; and William J. Dupps, MD, PhD
Section 1: Dry Eye
Section 2: Corneal Scarring Resulting From Infectious Keratitis
Section 3: Epithelial Basement Membrane Dystrophy
Section 4: Salzmann’s Nodular Degeneration
Section 5: Pterygium
Section 6: Fuchs’ Corneal Dystrophy
Section 7: Corneal Stromal Dystrophies
Section 8: Limbal Stem Cell Deficiency
Section 9: Floppy Eyelid Syndrome
Chapter 10 Corneal Imaging for Evaluations of Patients With Cataracts J. Bradley Randleman, MD; Marcony R. Santhiago, MD, PhD; and William J. Dupps, MD, PhD
Section 1: Routine Cataract Evaluations
Section 2: Toric Intraocular Lens Evaluations
Section 3: Cataract Evaluations in Patients With Prior Laser Vision Correction
Section 4: Cataract Evaluations in Patients With Prior Radial Keratotomy
Section 5: Cataract Evaluations in Patients With KeratoconusFinancial Disclosures
Index
