News » Freeform progressive lenses. The advantages
What are free form progressive lenses? They are the latest generation of progressive lenses where the progression channel is developed on the inner surface of the lens instead of the external one, as was the case in the old progressive lenses. What is the benefit of this different processing of the lens? The main advantage, not insignificant, is that the change in power is to be positioned as close corneal apex, with the consequence of minor aberrations that were the negative characteristic of the old generation of progressive lenses. The lenses Free Form Glance24 that we use to offer an increase in the calculated lens around the 40% performance, which translates, in practical terms, in a more easy adaptability of the eye of progressive lenses for use, just for the fact that the aberrations between the near and far as well as side vision are much smaller. As we have to write in our previous articles, some optical still offer the old progressive lenses, in order to keep the costs of the finished lower. We at Glance24, the old progressive lenses to consider a thing of the past and there never dream to propose to our customers. We continue to offer our customers the best available on the market at prices obviously very advantageous.
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