Glasses Choosing & Lifestyle Guides

Are Mirrored Lenses Better at Blocking Harmful UV Rays?
Mirrored lenses: Understand why their coatings don't guarantee UV protection. Learn that UV400 certification is crucial for eye safety against harmful UVA/UVB rays.
Lensmartonline • 2026-01-29 08:55:28Optimal Screen Settings for Post-Op Eyes: Brightness & Contrast.
Covers essential screen adjustments like brightness, contrast, and color temperature, plus the 20-20-20 rule and hydration tips for a smoother post-operative...
Sunglass Categories 0-4: Choosing the Right Darkness
A guide to sunglass categories 0-4 explains VLT, lens darkness, and true UV protection. Understand risks of uncertified lenses and choose safe shades for any condition.
Lensmartonline • 2026-01-29 08:56:22Why 100% UV Protection is Mandatory After Cataract Surgery.
Covering the science of UV damage, debunking lens myths, and checklist for selecting proper sunglasses post-surgery.
Polycarbonate Lenses: Do They Have Built-In UV Safety?
This article clarifies if polycarbonate lenses offer built-in UV safety. It explains how their molecular structure blocks over 99% of UVA/UVB rays, debunks tint myths, and compares materials for optimal protection.
