Author

Derek Macrae

Derek Macrae is an optical writer who reports on eyewear craftsmanship for Biology Insights. He spent more than two decades directing prescription lens laboratories and custom surfacing facilities before taking up technical writing in 2022. Macrae, who studied ophthalmic dispensing at the associate level, explains how frames and prescription lenses are manufactured.

What Is BC and DIA in Contact Lenses?
Can You Get Reading Glasses With Two Different Strengths?
How Dark Do Transition Lenses Get in the Sun?
Is Polarized the Same as UV Protection?
What Does an Optician Do? Role, Skills, and Limits
What Are Spring Hinges on Glasses? How They Work
What Are Cheater Glasses and How Do They Work?
Does Anti-Reflective Coating Help Night Driving?
What Do the Numbers on Reading Glasses Mean?
Why Does Pupillary Distance Matter for Glasses?
Are Premium Progressive Lenses Worth It?
What Do Reading Glasses Do and How Do They Work?
Are Progressive Lenses the Same as Bifocals?
What Are No Line Bifocals Called?
Do Photochromic Lenses Block UV Rays?
What to Consider When Buying Prescription Glasses
How to Take Out Contact Lenses Safely
What Is Backside UV Protection on Glasses?
What Is the Blue Tint on Glasses?
What Do the Numbers on Spectacle Frames Mean?
Are High Index Lenses Impact Resistant?
Do Glasses Lose Their Prescription Over Time?
Why Do Eyeglass Prescriptions Expire?
Why Are My Eyeglasses Cloudy?
Can Bifocals Be Removed From Glasses?
Can You Get Prescription Reading Glasses?
What Do UV Glasses Do to Protect Your Eyes?
Why Are My Transition Lenses Not Getting Dark?
Are All Reading Glasses Prescription?
How Much Screen Time Can Make You Blind?