First Of All – Don’t Panic!
You Have To Start Somewhere!
Introduction to OpticianWorks
1: Why People Wear Glasses & The Common Refractive Errors
4: Refractive Errors – Simple Myopia & Hyperopia
Explanation of the refractive errors of simple myopia & hyperopia.
5: Refractive Errors – Simple Myopic & Hyperopic Astigmatism
Explanation of the refractive errors of simple myopic & hyperopic astigmatism.
6: Refractive Errors – Compound Myopic & Hyperopic Astigmatism
Explanation of the refractive errors of compound myopic & hyperopic astigmatism.
2: The Math & Science Behind Eyeglass Lenses
3: Where Does “n” the Index of Refraction Come From?
The material a lens is made from has an index of refraction. The abbreviation for an index is n.
5: What is Flat Transposition & How You Do It?
Flat transposition is how we convert a prescription written in one cylinder form to another.
6: The Optical Cross – How You Work With It & The Lens Clock
The optical cross is a graphical representation of the powers found on a lens
3: Eyeglass Lens Types & Lens Materials
4: How Eyeglass Lenses Can Correct Poor Vision
2: What is an Axis & What is Astigmatism?
When a person’s cornea has two different curves on it we say that person has an astigmatism.
4: Examples of Lenses Correcting Refractive Errors
Learn how different lenses are used to correct different refractive errors.