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Wavefront Science in Vision and Eye Care (Textbook): CHAPTER 1. BASIC CONCEPTS

Wavefront Science in Vision and Eye Care (Textbook): CHAPTER 1. BASIC CONCEPTS

Wavefront Science in Vision and Eye Care (Textbook): CHAPTER 1. BASIC CONCEPTS

Louis (Lou) Catania O.D., F.A.A.O., D.Sc.(Hon)
Louis (Lou) Catania O.D., F.A.A.O., D.Sc.(Hon)

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Launch date: 25 Jul 2014

Expiry Date:

Last updated: 07 Aug 2017

Reference: 128058

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Wavefront Science in Vision and Eye Care (Textbook): CHAPTER 1. BASIC CONCEPTS
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Description

CHAPTER 1. BASIC CONCEPTS (27 pages)
Description:
Wavefront science is evolving rapidly in vision care and this discussion will help practitioners must begin to understand the basic concepts of this complex field at a clinical level.
Course Outline:
1. Basic Concepts
A. Vision is all about wavefronts
1. Emmetropia
2. Ammetropia
3. Aberrations
B. Measurements (“Think small”)
1. Metrics
2. Considerations in vision
a. “The eyeball”
b. The retina and optic nerve
c. The Visual cortex
C. Relevant biology of the human visual system
1. Focusing Portion (Eyeball)
a. Tear film
1. Constants
2. Variables
b. Cornea
1. Curvature
2. Topography
c. Aqueous humor
1. Index of refraction
2. Clarity
d. Crystalline lens
1. Accommodation
2. Aging changes
3. Clarity
e. Vitreous humor
f. Eyeball potential
2. Transmission Portion (Retina and Optic Nerve)
3. Perceptual Portion (Visual Cortex)
a. True “sight”
b. Poor understanding
C. Fundamental refracting optics of the eye
1. The circle of least confusion
a. How to measure it
b. The “diopter?”
c. The “micron”
2. Corneal asphericity
a. Q value
b. Oblate vs. prolate

Objectives

Objectives
1. To introduce the basic optical concept associated with wavefront science;
2. To apply ocular biology and basic optical concepts to vision measurement;
3. To expand the clinician’s understanding of vision at “higher orders”
Louis (Lou) Catania O.D., F.A.A.O., D.Sc.(Hon)

Author Information Play Video Bio

Louis (Lou) Catania O.D., F.A.A.O., D.Sc.(Hon)

Wavefront has been evolving as a clinical science in eye care for the past 20 years now. It started with refractive surgery in the 1990s when I became involved with it and it has been growing rapidly as a vision and eye care diagnostic science as well ever since. I published this textbook in 2009 with the goal of converting the complex mathematical and optical physics of wavefront science into understandable clinical, diagnostic and non-surgical and surgical corrective approaches for day-to-day practitioners’ use. The story is told over 6 chapters in a casual, ‘user friendly’ style with extensive graphic support. It’s actually an enjoyable – almost a fun read. An extensive 30 page Subject Index is available on this website at no charge for referencing and/or downloading (as a pdf file) at the program entitled Wavefront Science in Vision and Eye Care: SUBJECT INDEX (LINK: http://wco.easyshare.education/by/dr-louis-catania/128075/wavefront-science-in-visio-and-eye-care-subject-index). And finally, under Additional Course Notes section, the Front Matter from the textbook is available. It includes:
> Table of Contents (general and detailed);
> Preface;
> Acknowledgements;
> Introduction

Author Bio:
> Internationally acclaimed clinical educator, author;
> Recognized expert in anterior segment, corneal disorders, refractive surgery and new eye care technologies;
> With Nicolitz Eye Consultants, a multispecialty ophthalmology group in Jacksonville, FL;
> Does clinical research on numerous eye care technologies;
> Voted one of 10 most influential optometrists of 20th century by the Review of Optometry Journal and 20/20 Magazine;
> 2013 Distinguished Service Award from the Ocular Surface Society;
> 2014 Distinguished Service Award from the American Academy of Optometry;
> 2015 Primary Care Optometry News, “Pioneer in Optometry” Award

Current Accreditations

This course has been certified by or provided by the following Certified Organization/s:

Faculty and Disclosures

Additional Contributors

Conflicts Declared

Conflicts of Interest declaration by Author:

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