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Publication in German : Optometrie 2/2011 and Optometrie 3/2011
Between the years 1975 and 2000 the character of the Opthalmic Optics market experienced a major change from basic medical care to a business with High Tech products and personalized customer service. Triggered by the breakthrough of the progressive lens the technological progress during these years developed a small range of standard products to a complex portfolio of surface designs and added values. The concentration of distribution in chains and purchasing groups with a common label increased dramatically the power of these distribution channels and obliged the independant ECP's to differentiate their business by new Marketing approaches and specific optometric expertise. During these years the ranking of the big manufacturers changend fundamentally.