Eye and Face Protectors

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• When are eye and face protectors required?
• What types of equipment are available to protect the eyes and face?
• How do I recognize safety eye wear?
• What are the pros and cons of the different lenses?
• What should I know about the fit and care of eye wear?
• What should I know about lens colours?
• How do I select the proper eye and face protection?
• What types of eye and face protection can be used to help protect against respiratory infectious diseases?
• What types of eye and face protection can be used to protect against chemical hazards?

When are eye and face protectors required?

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In general, eye and face protection needs to be worn whenever there is a risk to a worker that could result in an injury or harmful exposure to a worker’s eyes or face. These hazards are associated with:

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• Flying objects, particles, and dust (e.g., grinding, cutting, hammering, sawing)
• Splashes (including droplets and sprays) from chemicals and other liquids
• Radiation (e.g., welding) and lasers 
• Abrasive and molten material

Check the legislation in your jurisdiction to determine the requirements for eye and face protection. Many jurisdictions in Canada require eye and face protection to meet CSA Standard Z94.3 Eye and Face Protectors. 

Workplaces should conduct hazard assessments to identify the hazards that workers may be exposed to, and then select appropriate personal protective equipment when engineering controls or other more permanent methods of control are not possible. Consult with the personal protective equipment manufacturer about the uses and limitations of each type of eye and face protection.  

If using personal protective equipment is part of the work, the workplace should develop and implement a personal protective equipment program. A good comprehensive strategy involves considering the hazards, conducting risk assessments, evaluating all possible control methods, integrating various approaches, and re-examining the controls frequently to make sure that the hazard continues to be controlled.

What types of equipment are available to protect the eyes and face?

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Below is a brief description of different types of eye and face protection (see tables further below for more detailed information),

Safety glasses or spectacles   

• Protect eyes from impact hazards (e.g., flying objects and particles).

Goggles

• Direct ventilated goggles which protect against impact hazards
• Non-ventilated and indirect ventilated goggles which protect against impact hazards, chemical or liquid splashes, and fine dusts. 
• Goggles specifically designed for protection against non-ionizing radiation and lasers are also available.

Face Shields

• Helps protect the eyes, nose, mouth, and face from impact hazards and chemical or liquid splashes (including saliva). 
• Face shields are also available to protect against non-ionizing radiation, high heat and electric arcs. 
• When used for protection from respiratory infectious diseases, face shields can offer benefits such as protection from respiratory particles produced from coughing or sneezing, and from splashed bodily fluids (e.g., blood and saliva). 

Welding Helmets

• Protects eye and face from radiation, weld splatter, and impact hazards associated with certain activities (e.g., welding, torch cutting, brazing). 

Hoods

• Protects eye and face from impact hazards, dust, splashes, and abrasive material. Hoods are also available to protect against non-ionizing radiation, high heat and electric arcs. 

Respirator facepieces

• Full-face respirators provide a seal or partial seal (e.g., loose-fitting hood or helmet) around the perimeter of the face. Protects eye and face from chemical exposures, fine dusts and particles, liquid splashes, and impact hazards (lens in the respirator must meet the same impact protection standards as safety glasses and face shields). 
• Respirator facepieces are also available to protect against non-ionizing radiation.    

How do I recognize safety eye wear?

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Lenses: CSA-certified eye and face protectors must meet the criteria for impact resistance as outlined in the standard. Only devices made of approved materials are permitted.

Markings: The manufacturer or supplier certification mark must be present on all approved safety lenses, frames (front and temple), removable side shields, and other parts of the glasses, goggles, or helmets. Products that are tested and approved by CSA will bear the CSA certification mark.

Frames: Safety frames are stronger than street-wear frames and are often heat resistant. They are also designed to prevent lenses from being pushed into the eyes.

What are the pros and cons of the different lenses?

Back to top Comparison of Lens MaterialsMaterialCharacteristicsHi-Vex

• More impact-resistant than CR39 plastic
• Available with all surface treatments (coatings)
• 100% UV filtering
• Light weight
• Material is very clear

Polycarbonate

• Most impact-resistant of all lens materials
• Lightweight
• Can be coated for scratch resistance
• Most have built-in UV radiation absorption properties

Plastic (CR39)

• About one-half the weight of glass
• Resistant to solvents and pitting

Trivex

• More impact resistant than CR39 Plastic
• Less impact resistant than polycarbonate
• UV radiation absorption properties

Glass

• High-density material resulting in heavy lenses
• Loses impact resistance if scratched
• Does not meet impact criteria as set by CSA Z94.3

From: CSA Standard Z94.3.1-16 Guideline for selection, use and care of eye and face protectors,

What should I know about the fit and care of eye wear?

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Eye wear will protect the user if the protection device fully covers the eye and surrounding soft tissues. If eye protection is required, establish a complete eye safety protection program, including selection, fit testing, training, maintenance, and inspection.

Fit

• Ensure your safety eye wear fits properly. Eye wear should cover from the eyebrow to the cheekbone and across from the nose to the bony area on the outside of the face and eyes. Eye size, bridge size and temple length all vary. Eye wear should be individually assigned and fitted so that gaps between the edges of the device and the face are kept to a minimum.
• Eye wear should fit over the temples comfortably and over the ears. The frame should be as close to the face as possible and adequately supported by the bridge of the nose.
• Users should be able to see in all directions without any major obstructions in their field of view.
• Face shields should extend below the chin and above the eyes, and should wrap around the sides of the face

Care

Eye and face protection devices need maintenance.

• Clean your devices daily and as often as necessary. Follow the manufacturer's instructions.
• Avoid rough handling that can scratch lenses. Scratches impair vision and can weaken lenses.
• Store your devices in a clean, dry place where they cannot fall or be stepped on. Keep them in a case when they are not being worn.
• Replace scratched, pitted, broken, bent or ill-fitting devices immediately. Damaged devices interfere with vision and do not provide protection.
• Replace damaged parts only with identical parts from the original manufacturer to ensure the same safety rating.
• Do not change or modify the protective device.

What should I know about lens colours?

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Lenses can be clear, tinted, photochromic or polarized. Each type offers various levels of ultraviolet protection, including no protection (even when coloured). Do not be fooled by the colour of the lenses.

How do I select the proper eye and face protection?

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If you are at risk for eye or face injury at work, you should wear appropriate protection.

To select the proper protectors, follow the recommendations in the table below.

Note: This table cannot cover all possible hazards and combinations that may occur. Examine each situation carefully and select the appropriate protector or combination of protectors.

Nature of hazardHazardous Activities involving but not limited toRecommended protectorsFlying ObjectsChipping, scaling, stonework, drilling, grinding, buffing, polishing, hammer mills, crushing, heavy sawing, planing, wire and strip handling, hammering, unpacking, nailing, punch press, lathework

Class 1A - Spectacles 

Class 2A, 2B - Goggles

Class 5A, 5B - Hoods

Class 6A, 6D - Face shields

Flying particles, dust, wind, etc.Woodworking, sanding, light metal working and machining, exposure to dust and wind, resistance welding (no radiation exposure), sand, cement, aggregate handling, painting, concrete work, plastering, material batching and mixing

Class 1A - Spectacles 

Class 2A, 2B - Goggles

Class 5A, 5B - Hoods

Class 6A, 6D - Face shields

Heat, sparks, and splash from molten materialsBabbiting, casting, pouring, molten metal, brazing, soldering, spot welding, stud welding, hot dipping operations

Class 1B - Spectacles 

Class 2C - Goggles

Class 5C, 5D - Hoods

Class 6B, 6C, 6D - Face Shields

Acid splash, chemical burnsAcid and alkali handling, degreasing, pickling and plating operations, glass breakage, chemical spray, liquid bitumen handling

Class 2B - Goggles

Class 5B - Hoods

Class 6A - Face Shields

Abrasive blasting materialsSand blasting, shot blasting, shotcreting

Class 2B - Goggles

Class 5B - Non-Rigid Hoods

Class 6A - Face Shields

Glare, stray light (where slight reduction of visible radiation is required)Reflection, bright sun and lights reflected welding flash, photographic copying

Class 1A - Spectacles 

Class 2A, 2B - Goggles

Class 5A, 5B - Hoods

Class 6A - Face Shields

Injurious optical radiation (where moderate reduction of optical radiation is required)Torch cutting, welding, brazing, furnace work, metal pouring, spot welding, photographic copying

Class 1B - Spectacles 

Class 2C - Goggles

Class 5C - Hoods

Class 6B - Face Shields

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Injurious optical radiation (where a large reduction of optical radiation is required)Babbiting, casting, pouring, molten metal; brazing, soldering, spot welding, stud welding, hot-dipping operations

Class 3 - Helmet

Class 4 - Handshield

Laser radiationLaser cutting, laser surgery, laser etchingClass 2D - GogglesElectric arc flashElectrical installation, electrical maintenance, troubleshooting of electrical systems, disconnecting live electrical systems

Class 2E - Goggles

Class 5E - Hoods

Class 6D - Face shields

From: CSA Standard Z94.3.1-16 Guideline for selection, use and care of eye and face protectors,

What types of eye and face protection can be used to help protect against respiratory infectious diseases?

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Eye and face protection may also be required when there is a risk of exposure to infectious diseases that can be transmitted through respiratory droplets or other bodily fluids. Splashed body fluids may also increase the risk of other diseases such as hepatitis B and C, and HIV. Safety glasses, goggles, and face shields may be used as an additional layer of protection to help prevent infectious droplets from coming into contact with a worker’s eyes, nose or mouth. These devices are not substitutes for respiratory protection, and appropriate masks and respirators need to be worn when required.   

What types of eye and face protection can be used to protect against chemical hazards?

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Splashes, droplets and sprays:

• Goggles with indirect ventilation
• Face shield worn over goggles with indirect ventilation 
• Loose-fitting respirator worn over safety glasses or goggles
• Full-face respirator 

Irritating chemical mists:

• Goggles with no ventilation 
• Face shield worn over goggles with no ventilation 
• Loose-fitting respirator worn over safety glasses or goggles
• Full-face respirator 

(based on guidance from ANSI Z87.1- Personal Eye and Face Protection Devices)

Make sure the eye and face protection is appropriate for the hazards and is selected, used, and maintained in accordance with the applicable legislation and standards. If respirators are worn, the workplace must follow the requirements of their respiratory protection program.

• Fact sheet last revised: -02-26

Contents

Key Takeaways

• Safety glasses vs goggles: Glasses are lightweight and comfortable for general use, while goggles offer sealed protection in high-risk environments.
• Know what safety goggles protect you from: chemicals, dust, sparks, biohazards, and airborne debris.
• When choosing safety glasses or goggles, think about your environment: low-risk jobs favor glasses; high-risk tasks demand goggles.
• In the glasses vs goggles debate, protection level, fit, and coverage are the main differences.

When choosing between safety glasses or goggles, always consider the type and severity of exposure. Goggles are better for full containment; glasses are better for convenience and comfort. This guide will explain the key differences, giving you the knowledge you need to make informed decisions.

What Are Safety Glasses?

Safety glasses are impact-resistant eyewear that resemble everyday glasses but are designed for protection rather than style. They’re built from durable materials like polycarbonate and typically include side shields or wraparound lenses to guard against flying debris and blunt force.

These glasses are ideal for situations where the risk is low to moderate. Because they’re lightweight and ventilated, they’re comfortable for long-term wear. Many models come with UV protection or blue-light filtering for outdoor or screen-heavy work, and prescription-ready options are widely available.

In most discussions around safety glasses vs goggles, glasses are chosen for comfort, ease of use, and sufficient coverage in less hazardous settings.

When to Use Safety Glasses?

Use safety glasses when you need basic eye protection with comfort and visibility, such as:

• Construction, carpentry, or basic workshop tasks
• Landscaping or yard work
• DIY home repairs
• Outdoor jobs needing UV protection
• Screen-heavy work that benefits from anti-glare or blue-light lenses

What Are Safety Goggles?

Safety goggles offer a higher level of protection by sealing tightly around your eyes. With a flexible frame and an adjustable strap, they form a complete barrier that prevents chemicals, dust, vapors, or small particles from entering.

These are the go-to choice for high-risk environments such as:

• Chemical labs
• Industrial grinding or welding
• Medical settings with biohazards
• Dust-heavy zones like construction or mining

Because of their enclosed design, goggles are often preferred, or even required, when working with volatile materials or dangerous airborne particles. The list includes splashes, sparks, dust, fine debris, chemical vapors, and infectious fluids — making goggles essential in many regulated workplaces.

When to Use Safety Goggles?

Use safety goggles when you face high-risk conditions involving fine particles, chemicals, or splash exposure:

• Woodworking, grinding, welding, or cutting metal
• Laboratories and hospitals with exposure to fluids or vapors
• Firefighting, mining, or dusty environments
• Handling cleaning agents or solvents

What Is The Difference Between Glasses and Goggles?

Safety glasses and safety goggles both protect the eyes, but they differ in coverage and design. Safety glasses have impact-resistant lenses and are open around the edges, offering general protection. In contrast, safety goggles form a tight seal around the eyes, providing superior protection against dust, chemicals, and splashes.

Safety glasses often include nose pads for comfort and to help keep them securely in place. Goggles usually don’t have nose pads, as their snug fit around the face holds them firmly without needing additional support.

Deciding between the two comes down to the risk involved. Goggles provide more comprehensive coverage, while glasses offer comfort for lower-risk environments.

The table below highlights the major differences between safety glasses and goggles:

Feature
Safety Glasses
Safety Goggles
Protection Level
Moderate (impact, debris)
High (splash, dust, chemicals, sparks)
Seal Around Eyes
Partial (side shields or wraparound)
Full, enclosed seal
Comfort
Lightweight, breathable, wearable all day
Bulkier, can be warmer or fog-prone
Prescription Options
Built-in or worn over glasses
Usually worn over existing glasses
Best Use Cases
Construction, outdoor work, light tasks
Labs, welding, biohazards, heavy dust

How To Make Sure Your Eyewear Is Safe?

Whether you choose safety glasses or goggles, prioritize:

• Certified impact resistance (e.g., ANSI Z87.1)
• A secure but comfortable fit
• Anti-fog and anti-scratch lens coating
• UV protection or blue light filtering, if needed
• Compatibility with your prescription eyewear, if necessary

Modern designs also include hybrid models that combine features of both — such as foam-lined safety glasses or vented goggles that reduce fogging without sacrificing protection.

Tip: Choose based on risk, not just comfort. If you’re unsure whether to use safety glasses or goggles, lean toward more protection. Comfort matters, but it’s not worth risking your vision. Go with goggles in unpredictable or unfamiliar environments until you’re certain glasses are enough.

So, Which Is Better?

That was a trick question, because in reality, the safety glasses vs goggles decision isn’t about which is “better” — it’s about which is right for the task.

• Choose safety glasses for general eye protection when risks are low, and you need all-day comfort, breathability, and visibility.
• Choose safety goggles for high-risk environments where full eye sealing is necessary to block out fine particles, chemical splashes, or sparks.

What To Choose From NoCry?

Our line-up is built around everyday projects and changing work environments. For general impact protection during tasks like light construction, gardening, or workshop work, our EyeArmor+ safety glasses provide reliable ANSI Z87.1-certified coverage. The OverSpecs come in over-the-glasses (OTG) style, so prescription wearers don’t have to compromise on clarity. 

When you step into environments with splash, dust, or airborne hazards — such as metalworking, chemical labs, or dusty job sites — our Classic Safety Goggles offer a fully sealed design that blocks debris and liquids.

Looking for more? Our UltraShield Pro goggles are designed to comfortably fit your face and include anti-fog vents and splash protection, perfect for extended wear in varying conditions. 

Our Hybrid Pro model allows quick transitions between open glasses and enclosed goggles through removable seals and interchangeable straps — ideal when job conditions shift throughout the day.

The bottom line is that if you need comfort and impact resistance, go for any of our safety glasses. For full eye sealing, choose one of our safetygoggles. And if you tackle multiple risk types in a single day, the Hybrid Pro gives you the best of both worlds.

Conclusion

In the end, your eyes are irreplaceable, and protecting them should always be a priority, no matter what kind of eyewear you use.

But remember: investing in the right protective gear is important because each environment carries unique dangers.

Always let the potential risks guide your choices, ensuring that you keep your vision safe and healthy for years to come. After all, a proactive approach to eye safety can prevent serious injuries.

FAQ

What is the main difference between safety glasses and safety goggles?

The key difference in the safety glasses vs goggles debate is that glasses offer partial protection with open sides, while goggles provide a fully sealed barrier around the eyes. Glasses are better for general impact protection, while goggles are essential when working with chemicals, fine dust, or biological hazards.

What do safety goggles protect you from?

Safety goggles protect you from chemical splashes, airborne dust, sparks, infectious fluids, and fine debris. They are designed to seal tightly around your eyes, making them ideal for labs, hospitals, construction sites, and environments with hazardous materials. This makes the distinction between safety goggles and safety glasses critical when full containment is needed.

What should you consider when choosing the type of eye protection you use?

When selecting eye protection, prioritize the type of hazard, lens material, fit, and any applicable standards. According to OSHA, the right eye protection should shield employees from hazards like flying particles, molten metal, liquid chemicals, acid or caustic liquids, chemical gases or vapors, or potentially harmful light radiation. It should also be comfortable, provide a good field of vision, be durable and cleanable, and fit properly.

When should I wear safety eyewear?

Wear safety glasses for low-risk tasks like light construction, outdoor work, or DIY projects. Opt for safety goggles when the environment involves high-risk exposure, such as welding, chemical handling, or working in dusty or contaminated areas.

Can I wear goggles over prescription glasses?

Yes, most safety goggles are designed to fit over regular prescription glasses without compromising the seal or your vision. If you’re choosing between safety glasses or goggles and wear prescription lenses, you can also look for prescription-ready safety glasses or OTG (over-the-glasses) goggles.

Are safety goggles more effective for dusty environments?

Yes, goggles are more effective in dusty environments because they create a complete seal, preventing fine particles from entering. While safety glasses may block some debris with side shields, they do not offer the same level of containment, making goggles the better choice for heavy dust or airborne hazards.

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