Progressive Lenses
Corrects presbyopia by varying optical power progressively from an upper to lower part. No lines.
Related Links
Progressive Lenses: Pros and Cons of Progressive Lens Glasses
Progressive Lenses Explained: Pros & Cons You Should Know – Vint&York
What Are Progressive Lenses — EyeGlass Guide
Should You Get Progressive Lenses? — All About Eyes
What Are Progressive Lenses — LensCrafters
Progressive Lenses – Why They’re Better Than Bifocals
Progressive Lenses or No-Line Bifocals Correct Farsightedness