Page 38 - Alpha Solway Catalogue
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THE IMPORTANCE


            OF WEARING                                                                                                                        GUIDE TO LENS MARKINGS



            THE CORRECT EYE



            PROTECTION                                                                                                                        Optical Class    Can be worn at all times        Optional Requirements

                                                                                                                                                   ± 0.06 dioptres
                                                                                                                                                                                                 K
                                                                                                                                               1
                                                                                                                                                                                                     Resistance to surface damage by fine particles
                                                                                                                                               2
                                                                                                                                                   ± 0.25 dioptres
                                                                                                                                                                                                     Extreme temperature of -5°C and +55°C
                                                                                                                                                                                                 T
                                                                                                                                               3   ± 0.12 dioptres   Should only be worn for occasional use  N   Resistance to lens fogging
                                                                                                                                                               Should not be worn for long periods
                                                                                                                                              Please Note: The complete Benchmark range is Optical Class 1
            Eye injuries can occur in many settings, but in working environments that have a
            high risk of flying particles, scratches, abrasions and foreign bodies entering the eye, ensuring
            the health and safety of employees’ eyes during working hours is of paramount importance.
                                                                                                                                                                 Manufacturer identity
            Of the reported non-fatal injuries to employees during the period 2013-2016, 2096 were to the
            eye and other parts of the face and 131 were for loss or reduction of sight*.
                                                                                                                                                                   2C     1.2           1     F    KN
            Something as fundamental as the correct eye protection could have lessened the severity, or
            have prevented up to 90% of eye injuries.
                                                                                                                                                                                                                   Certification
                                                                                                                                                                                                                        Mark
            HAZARD ANALYSIS



            Anyone responsible for worker safety should carry out a detailed
            survey of the workplace to determine the correct eye protection
            required for the specific jobs being undertaken and the potential
            hazards that workers face.                                                                                                        Filter Type Code                     Scale Number (shade)

            Chemicals or foreign objects in the eye and cuts or scrapes on                                                                     2      UV filter                     1.2  Clear or Amber
            the surface of the eye are common workplace injuries. Other
            common eye injuries can include splashes and contact with                                                                          2C or 3   UV filter with good colour recognition  1.4  Blue or I/O Waterproof
            grease and oil, burns from steam, ultraviolet or infrared                                                                          4      Infrared filter               1.7  Minimises or I/O
            radiation exposure, and flying wood or metal chips.
                                                                                                                                               5      Sunglare filter               2.5  Grey or Revo
                                                                                                                                               6      Sunglare filter with IR specification  3.1  Dark Grey or Mirror



            Contact Alpha Solway today for advice and                                                                                                                   Mechanical Resistance
            support in carrying out a site survey of your
            workplace and to discuss your safety eyewear                                                                                                                 IMPACT LEVEL             MAX. SPEED  EYE PROTECTION TYPE
            requirements. Tel: +44 (0) 1461 202452                                                                                                                       A (T) High Energy Impact  190 m/s   Faceshields
                                                                                                                                                                         B (T) Medium Energy Impact  120 m/s  Faceshields and Goggles
                                                                                                                                                                         F (T) Low Energy Impact  45 m/s     Faceshields/Goggles/Spectacles

                                                                                                                                                                         S       Increased Robustness  5.1 m/s  Spectacles (generally prescription)
            *Reporting of Injuries, Diseases and Dangerous Occurrences Regulations (RIDDOR)
                                                                                                                                                                        (T) : The frame/lens has had an additional extreme temperature test at -5°C and +55°C







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