What is crazing on lenses and how to avoid it

How Can I Prevent Crazing On My Eyeglasses

Surface Treatments and Designs that Improve Comfort

Just picked up new lenses, would this be considered crazed AR coating? : r/optometry

What are these circular lines through my lenses? (They're not scratches and are pretty prominent in bright light, but aren't visible otherwise. Glasses are four years old.) : r/glasses

Is Your AR Coating Stressed Out? - Quantum

Self-Darkening-Eyeglasses, 44% OFF

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

Otago Optical Chinatown

Why your glasses are crooked