Safety and durability of frames and lenses against impacts
Protection from UV radiation for eye health
Optical quality for clear and distortion-free vision
Safe materials that do not cause allergies or irritation
SSH EN ISO 12312-1:2022 "Eye and face protection - Sunglasses and related eyewear (protection) accessories such as optical glasses, contact lenses, etc. - Part 1: Sunglasses for general use"
SSH EN ISO 12870:2018 "Ophthalmic optics - Spectacle frames - Requirements and test methods"