First Of All – Don’t Panic!
You Have To Start Somewhere!
Some guy said, “The journey of a thousand miles begins with one step.” A wise man once said, “The journey of a thousand miles begins with one step while the journey is only completed when we keep on stepping.” So just keep on stepping!
Introduction to OpticianWorks
1: Why People Wear Glasses & The Common Refractive Errors
2: The Math & Science Behind Eyeglass Lenses
4: The Nominal Lens Formula
DL = D1 + D2