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?Eyes & ENT
Can You Get Reading Glasses With Two Different Strengths?Eyes & ENT
How Dark Do Transition Lenses Get in the Sun?Eyes & ENT
Is Polarized the Same as UV Protection?Eyes & ENT
What Does an Optician Do? Role, Skills, and Limits Eyes & ENT
What Are Spring Hinges on Glasses? How They Work Eyes & ENT
What Are Cheater Glasses and How Do They Work?Eyes & ENT
Does Anti-Reflective Coating Help Night Driving?Eyes & ENT
What Do the Numbers on Reading Glasses Mean?Eyes & ENT
Why Does Pupillary Distance Matter for Glasses?Eyes & ENT
Are Premium Progressive Lenses Worth It?Eyes & ENT
What Do Reading Glasses Do and How Do They Work?Eyes & ENT
Are Progressive Lenses the Same as Bifocals?Eyes & ENT
What Are No Line Bifocals Called?Eyes & ENT
Do Photochromic Lenses Block UV Rays?Eyes & ENT
What to Consider When Buying Prescription Glasses Eyes & ENT
Can I Look at the Eclipse Through My Phone?Physics
How to Take Out Contact Lenses Safely Eyes & ENT
Can an Optometrist Diagnose Eye Problems?Healthcare
What Is Backside UV Protection on Glasses?Eyes & ENT
What Is the Blue Tint on Glasses?Eyes & ENT
What Is the Minimum Thickness of a Safety Lens?Physics
What Do the Numbers on Spectacle Frames Mean?Eyes & ENT
Why Safety Glasses Are Important for Eye Protection Safety
Are High Index Lenses Impact Resistant?Eyes & ENT
Do Glasses Lose Their Prescription Over Time?Eyes & ENT
Why Do Eyeglass Prescriptions Expire?Eyes & ENT
Why Are My Eyeglasses Cloudy?Eyes & ENT
Do I Have to Buy Glasses From My Optometrist?Healthcare
Can Bifocals Be Removed From Glasses?Eyes & ENT