Toric Lens grinding machine
Hirst Contact Lens Limited, Manufacturer
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This machine was made in the Hirstlens engineering workshops. It was designed to enable a Toric (two radii of different value) surface to be ground on the surface of a haptic lens. The finished lens would be fitted to correct the patent's astigmatism.
Toric Grinding / Machine - / Made in Auckland 1947 Hand-written
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