Ansi Z87.1 vs Z87.1 Plus Safety Glasses Difference

The guy who got his eye sliced by flying shingle nails last week was wearing $3 Pyramex disposables from the hardware store discount bin. His buddy across from him had the Klein Tools 60507 with anti-fog coating and lived to tell about it. The difference wasn’t just compliance paperwork—it was whether he’d see his grandkids grow up or spend a year in surgery waiting for vision restoration.

The Z87.1 Plus standard introduced in 2015 raised the bar significantly by requiring high-impact resistance that’s twenty times more rigorous than the original certification. This update specifically addresses the most common workplace eye injuries—high-velocity debris like metal shavings, concrete chips from demolition work, and flying fragments during masonry operations. The Plus standard also mandates side shields to protect against peripheral impacts that account for nearly 40% of industrial eye injuries according to OSHA data.

Critical upgrades in Z87.1 Plus include mandatory UV protection verification, anti-fog treatment requirements for extended wear scenarios, and polycarbonate lens standards that resist shattering even when heavily impacted. The marking must be permanently etched into the frame—not just printed on a sticker—so contractors can verify authenticity by looking through the lenses at direct light sources to confirm the embedded certification mark.

On commercial concrete work sites I’ve managed, crews switching from Z87.1 to Z87.1 Plus glasses reported fewer headaches and better peripheral awareness during overhead rebar installation. The side shields alone prevent debris from slipping around the lens edge when workers lean over forms or operate power tools at waist level.

Bottom line: Z87.1 Plus is mandatory for commercial contractors working with concrete, metal fabrication, masonry, or any operation generating high-velocity airborne particles above OSHA’s hazard threshold.

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