Segment Bifocal / Trifocal

With our Bifo or Trifo segment, you are free to choose the size and shape of the reading part (C28, F28, FF28, F35, F45, Round22, Round24, F7x28 and many more on request), even with the value that there are no limits to your specific addition.

Processes & areas of application

By the segment bifo are 2 lenses calculated, manufactured and finished completely separately, but coordinated togheter.

The basic lens or the long-distance lens and a lens for the near. After selecting the shape of the near part you want, addition, prisms and the inset, these are milled and then adhere together.

Grinding tips

Please protect the segment from too much pressure with commercially available adhesive pads before clamping it in your grinding system.

For more useful tips, please contact our grinding service.