ZEISS Vision is among leading manufacturers of ophthalmic lenses.
With its constant technological development, ZEISS creates and advances the future of optics. Grossoptic is a long standing distributor of ZEISS ophthalmic lenses.
Nidek is a Japanese company operating on the global market for 40 years already.
It manufactures ophthalmological equipment – diagnostic devices and automatic machines for glass processing. As a Nidek distributor, Grossoptic has been offering its customers top quality equipment for 14 years already.
Centrostyle is an Italian company operating for over 40 years on the global market, with its products present on all 5 continents.
Centrostyle offers innovative high quality optical products and over its wide network of distributors, it supplies optician’s shops throughout the world.
Its global success and a decades-long presence result from high quality, wide product range and innovative solutions.
As a regional partner, Grossoptic has been bringing Centrostyle products to its customers for 25 years.
PreCalc is a special algorithm used when processing RX lenses in order to obtain ideal thicknesses for the selected frame.
PreCalc integrates several submitted informations in order to obtained the desired result. Regardless if lenses are monofocal or progressive, if Optimization is applied, it is possible to obtain the thinnest possible lens without compromising optical quality.
To produce RX lenses of optimum thickness and lens esthetics for the selected frame, it is necessary to submit the shape of the selected ocular, as well as the following data:
Frame shape and size
Abox.Bbox. DBL
Monocular PD
Fitting Height
To produce a lens with optimal thickness the shape of the ocular must also be submitted.
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