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Safety Glasses provide impact protection for the eye. Ensure the impact hazard does not threaten to travel through the gaps in these glasses.
Safety glasses come in clear and shaded lenses.
Safety eye protection does not typically offer protection against ultraviolet rays from the sun.
AHAH will allow workers to wear sunglasses, in place of safety goggles, for protection against low impact hazards - as long as they are shatterproof, and not made of glass.
Safety Goggles provide protection against splash hazards, dust and debris. There are 3 main types of safety google:
Direct vent: These goggles have multiple perforations around their body to promote air flow, which reduces lens fogging. Direct vent goggles are primarily used for impact protection. Do not use this type of goggle for liquid, dust or caustic vapor protection.
Indirect vent: This style of goggle increases air flow via covered vents. Since the vents are covered, they provide better protection from liquid splash and dust. However, they shouldn’t be used around caustic vapors.
Non-vented: This style of goggle is completely sealed and doesn’t have any vents. They provide excellent protection from impact, splash, dust and caustic vapors.
Visors and face-shields offer an additional (secondary) level of protection for the entire face. If you need to protect your eyes from impact, you should wear safety glasses, or googles too.
Face-shields are different from the full-face respirators we often use.
Choosing appropriate eye protection
Eye protection should be chosen on a task-by-task basis.
Consider the threats of impact from debris, the direction that debris will be coming from and the size of the debris particles.
Consider any vapors or gasses you need to protect the workers eyes against.
In general, Safety Goggles offer a higher level of protection to that of glasses. If you are unsure, opt for safety goggles.
Disposal of Eye Protection
There is no defined lifetime for eye protection.
Damage is really the only reason to dispose of glasses. Glasses should be disposed of when they are too scratched to see through clearly. Or, at the sign of any impact damage.
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