Clinical optics /
Clinical Optics is intended primarily for use by optometry students, though it could also prove useful for the training of optometric technicians and dispensing opticians. This book is organized into thirteen chapters. These chapters cover most aspects of ophthalmic optics or clinical optics includi...
Clasificación: | Libro Electrónico |
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Autor principal: | |
Otros Autores: | |
Formato: | Electrónico eBook |
Idioma: | Inglés |
Publicado: |
Boston :
Butterworths,
[1987]
�1987 |
Temas: | |
Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover
- Clinical Optics
- Copyright Page
- Table of Contents
- Preface
- INTRODUCTION: Sign Convention, Nomenclature, and Notation
- 0.1. Sign Convention
- 0.2. Nomenclature
- 0.3. Notation
- Reference
- Bibliography
- CHAPTER 1. Ophthalmic Lens Materials
- 1.1. History of Glassmaking
- 1.2. The Development of Optical Glass
- 1.3. The Manufacture of Optical Glass
- 1.4. Varieties of Optical Glass
- 1.5. Desirable Characteristics and Defects of Optical Glass
- 1.6. Introduction
- 1.7. Manufacturing Processes
- 1.8. Development of Optical Plastics.
- 1.9. Manufacture of Plastic Lenses
- 1.10. Optical and Physical Properties of Plastic Lenses
- 1.11. FDA Policies
- 1.12. The Strength of Glass
- 1.13. Methods of Tempering Glass Lenses
- 1.14. Impact Resistance of Plastic Lenses
- 1.15. Lenses for Occupational and Educational Use
- References
- Questions
- CHAPTER 2. Characteristics of Ophthalmic Lenses
- 2.1. Curvature
- 2.2. Surfaces of Revolution
- 2.3. Relationship between Curvature and Refracting Power of a Surface
- 2.4. The Lens Measure
- 2.5. Lens Form: Spherical Lenses
- 2.6. Lens Form: Cylindrical and Toric Lenses.
- 2.7. Lens Blanks and Base Curves
- 2.8. Specification of Cylinder Axes
- 2.9. Prescription Writing and Transposition
- 2.10. Basic Terminology
- 2.11. Image Formation by a Spherica! Lens
- 2.12. Image Formation by Cylindrical and Toric Lenses
- 2.13. Terminology and Basic Concepts Regarding Image Formation by a Lens
- 2.14. Dimensional Aspects of the Conoid of Sturm
- 2.15. Misconceptions Concerning Astigmatic Image Formation
- 2.16. The Spherical Equivalent
- 2.17. Power in an Oblique Meridian of a Cylindrical Lens
- 2.18. Power in an Oblique Meridian of a Toric Lens.
- 2.19. Obliquely Crossed Cylinders
- 2.20. Astigmatism due to Lens Tilt
- 2.21. The Maddox Rod
- References
- Questions
- CHAPTER 3. Power Specification and Measurement
- 3.1. Introduction
- 3.2. Approximate Power
- 3.3. Back Vertex Power
- 3.4. Front Vertex Power, or Neutralizing Power
- 3.5. Equivalent Power
- 3.6. Effective Power
- 3.7. Hand Neutralization
- 3.8. The Lensometer
- 3.9. Lensometer Calibration, Alignment, and Measurement Errors
- 3.10. Projection Lensometers
- 3.11. Automatic Lensometers
- 3.12. The Sagitta Formula.
- 3.13. Formula Relating Power to Center Thickness and Edge Thickness
- 3.14. Thickness Calculations for Cylindrical anc' Sphero-Cylindrical Lenses
- Reference
- Questions
- CHAPTER 4. Ophthalmic Prisms and Decentration
- 4.1. Terminology
- 4.2. Refracting Power of a Prism
- 4.3. Specification of the Power of an Ophthalmic Prism
- 4.4. Relationship between Refracting Angle and Angle of Deviation
- 4.5. Effects of Prisms on Movements of the Eyes
- 4.6. Prentice's Rule
- 4.7. Oblique Prismatic Effects
- 4.8. Obliquely Crossed Prisms.