Introduction to Visual Optics

A Light Approach

1st Edition - October 4, 2022
Author: Samantha Strong
Language: English
Paperback ISBN:
9 7 8 - 0 - 3 2 3 - 8 7 5 3 4 - 9
eBook ISBN:
9 7 8 - 0 - 3 2 3 - 8 7 5 3 7 - 0

Get the foundational knowledge you need in the area of visual optics with the text that is easy to comprehend, visually appealing, and engaging from cover to cover. Introduction to… Read more

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Get the foundational knowledge you need in the area of visual optics with the text that is easy to comprehend, visually appealing, and engaging from cover to cover. Introduction to Visual Optics: A Light Approach covers the basic information you need in this complex area in a significantly more approachable manner than other resources on the market. You’ll find clear, easy-to-read explanations that work hand-in-hand with colourful charts, graphs, illustrations, and diagrams created by the author, Dr. Samantha Strong. This unique text is perfect for optometry students, optometrists, ophthalmology residents, student dispensing opticians, and others in the eye care field.

Cover image
Title page
Table of Contents
Copyright
Dedication
Acknowledgements
Preface
Video table of contents
List of Illustrations
List of Tables
Section 1. Geometric and Basic Optics
1. Basics of light and colour
Introduction
What is light?
How does light interact with objects?
Colours
Absence of light
Test your knowledge
2. Vergence and refraction
Introduction
Key terms relating to light
Vergence
Refraction
Lateral displacement
Spherical curved surfaces
Object and image vergence
The weird and wonderful world of refraction through a single material
Test your knowledge
References
3. Thin lenses
Introduction
What is a ‘thin lens’?
Power of a thin lens
Vergence relating to a thin lens
Multiple thin lenses
Equivalent lenses
Test your knowledge
Reference
4. Thick lenses
Introduction
Lens thickness
Thick lens power
Image vergence and virtual objects
Fresnel lenses
Test your knowledge
Reference
5. The reduced eye and spherical and cylindrical lenses
Introduction
The human eye
A reduced eye
Spherical refractive error
Cylindrical error
Focimetry
Test your knowledge
Reference
6. Reflection
Introduction
What is reflection?
Laws of reflection
Image formation – plane surfaces
Reflection at spherical curved surfaces
Reflection at aspherical curved surfaces
Test your knowledge
7. Ray tracing
Introduction
What is a ray diagram?
Ray tracing – single thin lens
Ray tracing – equivalent lenses
Ray tracing – spherical mirrors
How to scale your diagrams
Test your knowledge
8. Dispersion and chromatic aberration
Introduction
Dispersion
Chromatic aberration
Chromatic aberration in the human eye
Test your knowledge
Reference
9. Prisms
Introduction
What is a prism?
Deviation of light
Images
Prismatic power
Prismatic lenses and base notation
Prismatic effects in spherical lenses
Test your knowledge
Section 2. Physical Optics
10. Superposition, interference and diffraction
Introduction
Features of a single wave
Features of multiple waves
Utilising interference to measure distances
Diffraction
Circular diffraction
The resolving power of a system
Thin film interference (the fun side of interference)
Test your knowledge
Reference
Section 3. Clinical Applications
11. Focimetry
Introduction
What is a focimeter?
How does a focimeter work?
Test your knowledge
12. Photometry
Introduction
Angles and lights
Measurements of light
Colour temperature
Test your knowledge
13. Optical instruments and low vision aids
Introduction
Cameras
Telescopes
Low vision aids
Test your knowledge
References
14. Polarisation
Introduction
Some light revision
Types of polarisation
Polarisation by transmission
Polarisation by reflection
Polarisation by refraction
Polarisation by scattering
Applications of polarisation
Test your knowledge
Reference
15. Imaging the eye and measuring refractive error
Introduction
Imaging the eye
Ophthalmoscopy
Gonioscopy
Measuring refractive error
Applanation tonometry
Test your knowledge
References
16. Wavefront aberrations and adaptive optics
Introduction
Wavefront aberrations
Types of aberrations
Aberrations in lenses
Aberrations in the human eye
Measuring aberrations in the eye
Removing aberrations
Test your knowledge
References
17. Optical coherence tomography
Introduction
Some light revision
The interferometer
What is OCT?
Interferometry and OCT
Clinical applications
Test your knowledge
Section 4. Experiments to Do at Home
18. Create your own camera obscura
Introduction
The experiment
Test your knowledge
19. Create a blue sky at home
Introduction
The experiment
Test your knowledge
20. Create a prism
Introduction
The experiment
Test your knowledge
21. Measure the speed of light
Introduction
The experiment
Test your knowledge
22. Create a ‘cornea’
Introduction
The experiment
Test your knowledge
23. Kitchen thin film interference
Introduction
The experiment
Test your knowledge
Section 5. Question Answers
Answers to practice questions
Chapter 2
Chapter 3
Chapter 4
Chapter 6
Chapter 8
Chapter 9
Chapter 10
Chapter 12
Chapter 13
Answers to test your knowledge questions
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
Chapter 16
Chapter 17
Chapter 18
Chapter 19
Chapter 20
Chapter 21
Chapter 22
Chapter 23
Index

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