Say This to Explain How Progressive Lenses Work in Different Frames

“It’s like blueprints and a building.”

When to use it: To answer the question of how a progressive lens can work in a small frame as well as a large one. Just about everyone seems to understand the concept of scale.

Source: Siobhan Burns, The Eyeglass Lass, New London, CT

This article originally appeared in the April 2017 edition of INVISION.