Safety Glasses

Safety glasses are spectacles or goggles worn to protect your eyes and are an item of PPE (Personal Protective Equipment). These lenses are commonly made from clear anti-scratch polycarbonate, which offers the highest impact level tested under EN166. Some safety eyewear are manufactured from acetate and CR39 which provides general impact protection, but these are more suited to liquid and chemical splash safety protection.

Prescription safety glasses are designed with prescription lenses to enable you to wear them in place of your own spectacles with goggles over them. Overspecs can be worn over prescription glasses with little interference for protection. Safety goggles feature lens and frame markings which are mandatory and essential to understand when selecting eye protection.

Examples include:

  • A manufacturer’s mark (sometimes with a kite mark)
  • A letter ’C’ indicates whether they impair colour perception
  • Safety spectacles with a filtering effect are given specific codes. For example, a shade number between 1.2 and 6 can be used as protection when welding.
  • Mechanical strength is indicated by a symbol of S, F, B, A or T, denoting how strong the glasses are. An ’S’ have increased robustness.
  • Glasses with K indicated on the lens offer resistance to surface damage from fine particles. A letter N are fog-resistant or anti-misting.

Types of eyewear protection for various environments and risk types:

Mechanical risk: Projection of debris and metal filings from tools, particle projections and grinding work. The F, B or A symbol must be indicated on the lens and the frame to guarantee protection. If the symbols differ, the symbol representing the lowest resistance is applied to the protection as a whole.


Electrical Risk: Protection from live contact and short circuit electrical arcs. The 8 symbol must be indicated on the lens and the frame to guarantee protection from electrical risks.

Thermal risk: Protection from radiating heat, intense heat, sprays of hot liquids or solids. The 9 symbol must be indicated on the lens and the frame to guarantee protection from thermal risks.

Radiation risk: Protection from ultra violet (UV), infra-red rays, visible light sources, steelworks, surgery and welding. The standard is normally identified with a marking on the lens.

Chemical risk: Protection from chemicals, dangerous liquids, aerosols, gas, toxic dust and other airborne contaminants. The standard marking of 3, 4 or 5 must be indicated on the glasses frame.


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Description Price Lens Colour Style Type Prescription Attachment Type UV Protection Scratch Resistant Anti-Mist Coating Laser Wavelength Bifocal EN166 Eye Protection EN166 Frame Marking EN166 Lens Marking EN175 Welding Safe EN207/208 Laser Safe
RS Stock No. 918-5743
BrandRS PRO
£3.89
Each
Units
Clear Spectacles - - Yes Yes No - - F - - - -
RS Stock No. 918-5737
BrandRS PRO
£3.38
Each
Units
Clear Spectacles - - Yes Yes No - - F - - - -
RS Stock No. 918-5734
BrandRS PRO
£7.82
Each
Units
Clear Spectacles - - No Yes Yes - - F - - - -
RS Stock No. 918-5731
BrandRS PRO
£3.38
Each
Units
Amber Spectacles - - Yes Yes No - - F - - - -
RS Stock No. 918-5762
BrandRS PRO
£3.78
Each
Units
Bronze Spectacles - - Yes Yes No - - F - - - -
RS Stock No. 918-5740
BrandRS PRO
£3.38
Each
Units
Bronze Spectacles - - Yes Yes No - - F - - - -
RS Stock No. 918-5753
BrandRS PRO
£3.78
Each
Units
Clear Spectacles - - No Yes No - - F - - - -
RS Stock No. 171-6806
BrandRS PRO
£3.27
Each
Units
Clear Spectacles - Corded Earplug - Yes - - - - - 1, FT - -
RS Stock No. 171-6808
BrandRS PRO
£3.27
Each
Units
- Spectacles - Corded Earplug - Yes - - - - - 1, FT - -
RS Stock No. 171-6809
BrandRS PRO
£8.09
Each
Units
Clear Spectacles - Ear Piece Yes Yes - - - F T 1, FT - -
RS Stock No. 141-8297
BrandRS PRO
£2.16
Each
Units
Amber Spectacles - - - Yes Yes - - - - 1, FT - -
RS Stock No. 171-6810
BrandRS PRO
£8.87
Each
Units
Grey Spectacles - Ear Piece Yes Yes - - - F T 1, FT - -
New
RS Stock No. 184-5941
BrandRS PRO
£2.99
Each
Units
- Spectacles - - Yes Yes - - - - - - - -
RS Stock No. 141-8302
BrandRS PRO
£2.76
Each
Units
Clear, Orange Spectacles - - - Yes Yes - - - F 1, F - -
RS Stock No. 141-8298
BrandRS PRO
£2.42
Each
Units
Grey, Orange Spectacles - - - Yes Yes - - - F 1, F - -
New
RS Stock No. 184-5942
BrandRS PRO
£2.99
Each
Units
- Spectacles - - Yes Yes - - - - - - - -
RS Stock No. 141-8299
BrandRS PRO
£2.76
Each
Units
Black/Grey Spectacles - - - Yes Yes - - - F 1, F - -
New
RS Stock No. 184-5936
BrandRS PRO
£1.99
Each
Units
Clear Over Spectacles - - Yes Yes - - - - - - - -
New
RS Stock No. 184-5938
BrandRS PRO
£2.19
Each
Units
Clear Spectacles - - Yes Yes - - - - - - - -
RS Stock No. 161-1581
BrandRS PRO
£3.76
Each
Units
Grey Spectacles - - - Yes Yes - - - - - - -
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