#lens clock

Introduction To Lenses – The Base Curve

In Lesson 1 of this course, you learned about the lens index. In this lesson you will learn about another property of lenses called the base curve.

Remember that to fully understand the concepts covered in this lesson, it is best to have read through the entire The Optics of Vision course.

The True Shape of Lenses

Up until now, I have been simplifying the shape of lenses in order to make obvious…