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Check polarised lenses for BSI with the new Norville Polarising Axis Verifier Gauge

January 2015

Norville Polarising VerifierISO BSI Standard allow +5° as the glazing axis tolerance for polarising lenses, that is the axis of polarisation rather than the glazed cylinder axis which sometimes can have a much wider allowance depending on its lens power.  However, a more serious error can occur when glazing polarising lenses is a complete 90° swing of the polarising axis, easier than you may think with spherical polarising powers!  Technicians can neglect to recall there is an axis to a polarising spherical power.  This little gadget will catch such errors before they get onto a Patient’s face, worth their weight in gold we could say!

Price: Only £22.75 order now from Norville.

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