This extremely versatile product can be used to take the majority of measurements relating to frame dispensing. It pre-dates the introduction of the boxed lens system but still remains a dependable and adaptable measurement gauge, used by dispensing opticians and optometrists throughout the UK.

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Measurements that can be taken include:

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• Distance between lenses

• Bridge width

• Geometrical inset

• Bridge height

• Boxed lens size

• Bridge width

• Front angle of pad

• Angle of side