engravings - Hoya Vision

Progressive Lens Engravings

Moreover, each product authenticity card has a set of unique ID number . Consumers can make use of it to verify the product information in future. Good news is that there are methods to help minimize the appearance of the etchings. One is to start with proper index matching of the lens to the AR…

Hoya Lens Engravings

3 – Elite free-form digital varifocal – This can be the Essilor X Series FreeForm lens. In the picture below you can see the info the optician gets from the laser engravings in your progressive lenses and a template. The engravings you see are marked within blue while the information added by the template is…