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Reading Pentacam Topography (Basics and Case Study Series)
Mazen M Sinjab
CHAPTER 1:
Instruments Measuring the Corneal Surface
CURVATURE BASED INSTRUMENTS
ELEVATION BASED TOPOGRAPHERS
Description of the Unit
CHAPTER 2:
Quick Review of Pentacam Main Maps
CURVATURE MAPS
The Sagittal (Axial) Curvature Map
Principle
The Tangential (Local) Curvature Maps
Principle
The Reference Axis
What is the Reference Axis?
ELEVATION MAPS
Principle
Reference Body
CORNEAL THICKNESS MAP
MAIN PAGE ANALYSIS
Cornea Front Surface (Fig. 2.17)
Cornea Back Surface
Coordinates of the Corneal Thickness (see Fig. 2.14)
Miscellaneous (Fig. 2.19)
CHAPTER 3:
Reading Pentacam Topography
INTRODUCTION
STEPS OF READING THE TOPOGRAPHY
Displaying the Four Refractive Maps
Performing Main Page Analysis
Studying the Maps
The Anterior Sagittal Curvature Map
Topographic Shape Patterns which Characterize Irregularity (Fig. 3.5)
The Elevation Maps
Corneal Thickness Map
Topometric Map
Keratoconus Indices Page
SCORING THE CASE
CHAPTER 4:
Examining the Patient
OCULAR HISTORY
Previous Trauma
Previous Ocular Surgery
FAMILY HISTORY
MEDICAL HISTORY
Ocular Diseases
Vascular Diseases
Collagen Vascular Diseases
Inflammatory Disorders
Infectious Diseases
MEDICATIONS AND ALLERGIES
PRIOR CORRECTIVE LENSES
CHAPTER 5:
Case Study
CASE 1: MYOPIC ASTIGMATISM
The Qualifying Step
The Quantifying Step
The Scoring Step
CASE 2: MIXED ASTIGMATISM
The Qualifying Step
The Quantifying Step
The Scoring Step
CASE 3: HYPEROPIA
The Qualifying Step
The Quantifying Step
The Scoring Step and Discussion
CASE 4: ANISOMETROPIA
The Qualifying Step
The Qualifying Step
CASE 5: SUSPECTED CASE
The Qualifying Step
The Qualifying Step
CASE 6: POST-LASIK ECTASIA
The Qualifying Step
The Qualifying Step
Discussion
CASE 7: KERATOCONUS
Discussion
CASE 8: KERATOCONUS POSSIBLE
Discussion
CASE 9: ABNORMAL CORNEA
Discussion
Bibliography
INDEX
TOC
Index
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