Astigmatism Explained

The Optics of Vision – Lesson 8: Astigmatism

After studying this lesson, you will understand a concept that eludes the vast majority of people - Astigmatism! But before you proceed, keep in mind that this is Lesson 8 of the course and it is highly advisable that you have read lessons 1-7 before tackling this one. THE OPTICS OF VISION – LESSON 1: … Continue reading The Optics of Vision – Lesson 8: Astigmatism

Hyperopia featured image

The Optics of Vision – Lesson 7: Hyperopia

This is lesson 7 in this course. Please review lessons 1-6 if you haven't already done so. The Optics of Vision – Lesson 1: Understanding Light The Optics of Vision – Lesson 2: Introduction to Lenses The Optics of Vision – Lesson 3: Lens Power The Optics of Vision – Lesson 4: Basic Eye Anatomy … Continue reading The Optics of Vision – Lesson 7: Hyperopia

The Optics of the Eye Lesson 6 Emmetropia and Myopia Featured Image

The Optics of Vision – Lesson 6: Emmetropia & Myopia

Congratulations, you've made it to Lesson 6 where we're finally going to start talking about glasses! This lesson will focus mostly on nearsightedness but you will also learn about much lesser known 'condition' known as emmetropia. This lesson will continue to build on everything we've learned in Lessons 1-5. So if you haven't done so … Continue reading The Optics of Vision – Lesson 6: Emmetropia & Myopia

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