The Ultimate Guide to ANSI-Rated Safety Glasses
Last Updated: April 2026 | Written by the SafetyGearPro Safety Standards Team – 15+ years testing and supplying ANSI-compliant eye protection for industrial, healthcare, and government customers.
ANSI-rated safety glasses are essential protective equipment for workers in construction, manufacturing, laboratories, welding, and countless other industries where eye hazards are present. Unlike regular sunglasses or fashion eyewear, ANSI-rated safety glasses must meet strict impact-resistance, optical clarity, and durability standards set by the American National Standards Institute (ANSI) and the International Safety Equipment Association (ISEA). The current standard, ANSI/ISEA Z87.1-2025, ensures that safety glasses can withstand high-velocity and high-mass impacts while providing reliable protection on the job.
Looking for prescription safety glasses?
This guide focuses specifically on non-prescription (plano) ANSI-rated safety glasses. For safety glasses with vision correction, once you have read this guide with the basics, please see our Ultimate Guide to ANSI-Rated Prescription Safety Glasses & Lenses for more information specific to prescriptions.
Why ANSI-Rated Safety Glasses Matter
Regular sunglasses and everyday glasses offer little to no impact protection. In a workplace accident, they can shatter and cause serious eye injury or even blindness. ANSI-rated safety glasses are specifically engineered and tested to protect against flying debris, sparks, chemical splashes, dust, and other common hazards. Using proper ANSI-rated safety glasses is often a legal requirement under OSHA regulations and can prevent life-changing injuries.
Understanding ANSI Z87.1 Standards for Safety Glasses
The ANSI/ISEA Z87.1-2025 standard is the recognized benchmark for occupational eye and face protection in the United States. For non-prescription safety glasses, this standard requires:
- High-impact resistance (tested for both high-velocity projectiles and high-mass objects)
- Optical clarity with minimal distortion
- Specific markings on the lens and frame (Z87 or Z87+)
- Durable frame construction that maintains protection when impacted
- Side protection (either integrated or removable side shields)
Z87 marking indicates basic impact protection. Z87+ means the glasses have passed more stringent high-velocity impact tests and offer a higher level of protection.
Lens Material Comparison for ANSI-Rated Safety Glasses
| Feature | Polycarbonate | Trivex | CR-39 Plastic | Glass |
|---|---|---|---|---|
| Impact Resistance | Excellent | Superior | Poor – Not recommended | Good but can shatter |
| Weight | Very lightweight | Lightweight | Medium | Very heavy |
| Optical Clarity | Very good | Excellent | Good | Excellent |
| UV Protection | 100% built-in | 100% built-in | Needs coating | Excellent |
| Scratch Resistance | Fair (needs coating) | Better | Good | Excellent |
| Best For | Most safety applications | High-impact tactical use | Non-safety use only | Very low hazard environments |
Key Features to Look For in ANSI-Rated Safety Glasses
- Anti-fog coatings – Critical for humid or high-activity environments
- Anti-scratch coatings – Extends lens life in dusty or abrasive conditions
- UV protection – 100% UVA/UVB blocking (UV400)
- Wraparound design – Provides better side protection
- Adjustable fit – Nose pads, temple adjustments, or ratchet mechanisms
- Ventilation – Vented frames help reduce fogging
How to Choose the Right ANSI-Rated Safety Glasses
- Identify the specific hazards in your work environment (impact, chemical, dust, UV, etc.)
- Select a frame style that provides adequate coverage and fits comfortably
- Choose lens material and coatings based on your needs
- Verify the Z87 or Z87+ marking is clearly visible on both frame and lenses
- Ensure the glasses meet any additional requirements from your employer or OSHA
Ready to find the right ANSI-rated safety glasses for your job?
Browse our full collection of ANSI-rated safety glasses or ANSI-rated prescription safety glasses.
Caring For Your ANSI-Rated Safety Glasses
- Clean daily with mild soap and water or a lens cleaner formulated for coated safety lenses.
- Rinse under lukewarm water first, then dry gently with a microfiber cloth — never use paper towels.
- Store in a hard case away from heat, pressure, and direct sunlight.
- Replace lenses or the entire pair if you notice deep scratches, persistent fogging, or fading ANSI markings.
FAQs About ANSI-Rated Safety Glasses
What’s the real difference between Z87 and Z87+?
Z87+ lenses and frames are tested to withstand much higher impact forces. For most jobs involving tools, machinery, or outdoor work, we strongly recommend Z87+.
Can I just wear regular sunglasses or clear glasses on the job?
No. Regular glasses lack the required impact resistance and side protection. Using them can lead to serious injury and violations during safety audits.
How can I tell if safety glasses are genuinely ANSI-rated?
Look for clear, permanent Z87 or Z87+ markings on both the temple and lens. If the markings are missing or look printed on, do not use them as safety glasses.
Do anti-fog coatings really work in real world conditions?
Permanent anti-fog coatings (not temporary sprays) perform very well, especially in healthcare settings with masks or humid manufacturing environments.
Are expensive safety glasses worth the extra money?
Often yes. Higher-quality frames and coatings last longer, stay clearer, and provide better all-day comfort — reducing the need for frequent replacements.
How often should safety glasses be replaced?
Replace them as soon as you notice deep scratches, fogging that won’t clear, or when ANSI markings become hard to read. Don’t wait for them to break.
Does my employer have to pay for my safety glasses?
Yes. OSHA requires employers to provide appropriate eye protection at no cost when hazards are present.
What’s the best way to stop safety glasses from slipping down my nose?
Choose frames with adjustable nose pads or rubberized temple grips. Many of our best-selling models include these features for active jobs.
Can I wear polarized safety glasses at work?
Yes — polarized options reduce glare while still meeting ANSI impact standards. They’re especially helpful for outdoor construction and driving between sites.
Are there modern-looking safety glasses that don’t look bulky?
Absolutely. We carry many styles from brands like Wiley X, Bolle, and Oakley that look like regular performance eyewear while delivering full Z87+ protection.