A comprehensive reference for physicians, surgeons, and trainees, Atlas of Corneal Imaging covers all aspects of corneal imaging from basic map interpretation to advanced diagnostic uses and features over 1200 illustrative images and figures representing a wide variety of devices and techniques. Drs. J. Bradley Randleman, Marcony Santhiago, and William J. Dupps Jr guide readers through the process of analyzing corneal images using a multitude of different techniques, technologies, and individual devices. This creates a complete picture of the cornea's basic methods and pathological processes and allows readers to directly visualize how their technology would display the pathology in question.
Atlas of Corneal Imaging is designed to help practitioners recognize subtle findings and evaluate signs of weakening or pathology, no matter how they present or what device is being used. Multiple iterations of the same clinical condition are shown with numerous complementary images for the same eye to provide a comprehensive presentation of each case.
Chapters feature information on:
- Topographic patterns and mapping
- Corneal ectasia evaluations
- Cornea and refractive surgery evaluations
- Clinical correlations with corneal disorders
- Cornea and refractive surgery complications
- Evaluation for cataract surgery
Atlas of Corneal Imaging fills a significant void in corneal imaging resources available today by presenting an image-first approach to understanding all the many different technologies for imaging the cornea.
Author(s): J. Bradley Randleman
Edition: 3
Publisher: Slack
Year: 2022
Language: English
Pages: 935
City: Thorofare
Dedication
Acknowledgments
About the Author
About the Associate Editors
Contributing Authors
Foreword by Stephen D. Klyce, PhD
Introduction
Chapter 1 Fundamental Concepts in Corneal Imaging
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
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
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
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
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
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
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
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
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
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 Keratoconus
Financial Disclosures
