EN ISO 16321-1:2022 PDF

Overview - EN ISO 16321-1:2022 (Eye and face protection, Part 1)

EN ISO 16321-1:2022 (ISO 16321-1:2021) is the CEN-adopted European standard that sets general requirements for occupational eye and face protectors. It replaces several older EN standards (e.g., EN 166, EN 169, EN 170, EN 171, EN 172, EN 379) and provides a harmonised framework for design, performance, testing and marking of protectors used against common workplace hazards such as impacts, optical radiation, dust, splashes, molten metal, heat, flame and aerosols. The standard applies to plano, corrective and prescription lensed protectors, do‑it‑yourself tasks, and educational settings - but excludes items intended solely for solar, medical-only, sports, laser, live‑working arc, or ionizing radiation protections.

Key topics and technical requirements

EN ISO 16321-1 covers the essential technical aspects manufacturers, test laboratories and safety professionals need to address:

• General design and physiological compatibility - materials, surface finish and wearer comfort, suitability for expected ambient temperatures, and ease of cleaning/disinfection.
• Geometrical optical requirements - field of view, refractive and prismatic power for plano and prescription lenses, positioning of mounted lenses and ready‑to‑wear near‑vision options.
• Physical optical requirements - detection of signal lights, luminous transmittance, and specific filter classes (ultraviolet, infrared, sunglare and specialty glass‑blowing filters). Also addresses uniformity, scattered light and optional anti‑reflective coatings.
• Mechanical and physical protection - areas to be protected, lateral protection, headbands/harnesses, material quality, and fundamental impact performance criteria for complete protectors.
• Marking, user information and ergonomics - mandatory instructions, identification markings, adaptation to user morphology and limits on user impediment.
• Optional enhanced performance - provisions for higher optical performance and multi‑risk protection.

Practical applications and users

Who benefits from this standard:

• PPE manufacturers and designers - to develop compliant eye and face protectors and select materials, lens filters and harness systems.
• Occupational safety professionals and procurement teams - to specify appropriate protectors for workplaces (manufacturing, construction, laboratories, glass‑blowing, welding - noting welding-specific requirements are in ISO 16321-2).
• Test laboratories and certification bodies - to verify performance, marking and conformity (including presumption of conformity with EU Regulation 2016/425 where applicable).
• Educators and DIY product suppliers - for selecting suitable protectors used in training and non‑professional tasks.

Related standards

• ISO 16321-2 (welding and related techniques)
• ISO 16321-3 (mesh protectors)
• ISO 16321-4 (protectors against biological hazards - in preparation)
• Referenced optical and testing standards (e.g., ISO 4007, ISO 11664 series, ISO 18526 series)

EN ISO 16321-1:2022 is the primary reference for general eye and face PPE performance and is essential for anyone designing, specifying or certifying protective eyewear for occupational use.