Is there a way to make my sunglasses scratch-resistant?

was designed to be comfortable, fit all faces and look great. And they won't slip off your face! * Lucid Lens™ - Elite Series Polyamide

The Phoenix

Are Ray Bans scratch resistant? - Quora

How do Heart Bypass operations work?

Liquid Shield Eyewear Protective Coating Kit – Eye Glasses Lens Cleaner - Includes Microfiber Suede Cleaning Cloth, Silk Cloth – Prevents Scratches on Sunglasses, Delicate Surfaces : Health & Household

Why do my anti scratch coated eyeglasses still get scratched? - Quora

Contact Lenses

How to Remove Scratches from Glasses

Sport Camo Sunglasses 100% UVA / UVB Scratch Resistant

How would you suggest I prevent scratches on my spectacles? - Quora

Chemical Processes and Tests

BrainStuff Classics: Could We Build A Real Gundam?

How to Get Scratches Out of Glasses Remove Scratches from Eyeglasses – JINS

How to Fix Scratched Sunglasses

Scout - Black-Out Edition – Skeleton Optics

Physical Science, HowStuffWorks