First Of All – Don’t Panic!


You Have To Start Somewhere!



Course Information

Estimated Time: 8 - 16 Hours

Difficulty: Difficult

Course Instructor

John Seegers John Seegers Author

Introduction to OpticianWorks

1: Why People Wear Glasses & The Common Refractive Errors

2: The Math & Science Behind Eyeglass Lenses

3: Eyeglass Lens Types & Lens Materials

4: How Eyeglass Lenses Can Correct Poor Vision