Over-Spectacles for Prescription Wearers

Specifications

Overview

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• Technical datasheetPDF · 245 KB

Standards explained

• EN 166 — Personal eye protection: specifications

  The core European standard for safety spectacles, goggles and face shields, covering optical quality, impact resistance and protection against liquids, dust, molten metal and electrical arcs.

  Reading the marking: Optical class 1 (best, for continuous wear), 2 or 3. Impact: S (12 m/s), F (45 m/s low energy), B (120 m/s medium), A (190 m/s high); T = tested at temperature extremes. Field of use: 3 liquids, 4 large dust particles, 5 gas and fine dust, 8 short-circuit electric arc, 9 molten metal and hot solids. K = anti-scratch, N = anti-fog.

• ANSI Z87.1 — American National Standard for occupational and educational eye and face protection

  US standard for eye and face protectors. Products tested for high-velocity impact carry the Z87+ mark.

  Reading the marking: Z87+ = high impact. D3 = droplet and splash, D4 = dust, D5 = fine dust; W plus shade = welding filter; U = UV scale; L = visible light filter; V = photochromic; S = special purpose lens tint.