The Crystalline Lens - Featured

The Optics of Vision – Part 9: The Crystalline Lens

If you thought the way the eye works was cool before, this is going to blow your mind. You're about to learn about the crazy wonders of the the cyrstalline lens. This lesson builds on all of the previous lessons in this course, so please make sure you are up to speed before tackling this … Continue reading The Optics of Vision – Part 9: The Crystalline Lens

Ray Diagram of an Emmetropic Eye

The Optics of Vision – Lesson 5: Basic Eye Optics

In Lessons 1-4, we have built up all the knowledge needed to understand the optics and mechanics of how vision works. In this Lesson, I will be putting it all together and you will see that you haven't been learning all of these things for nothing! Before you proceed with this lesson, be sure to … Continue reading The Optics of Vision – Lesson 5: Basic Eye Optics

Introduction To Lenses - Featured Image

The Optics of Vision – Lesson 2: Introduction to Lenses

In this lesson, we will be learning about what lensesĀ are and how they affect the path of light rays. Understanding lenses will be crucial in understanding how the eyes produce vision as well as how glasses work. To understand the concepts covered in this lesson, it is best to have read: ==> The Optics of … Continue reading The Optics of Vision – Lesson 2: Introduction to Lenses

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The Optics of Vision – Lesson 1: Understanding Light

What Is Light? Most of us think of light as just the opposite of darkness. It's what illuminates our world and allows us to see. If there's too much light it hurts our eyes. If there isn't enough light we can't see. Seems simple enough, right? And it is, for the purposes of this course … Continue reading The Optics of Vision – Lesson 1: Understanding Light