Slab-Off (height compensation prism)
Due to excessive optical power differences (anisometropia) of the eyes, disturbing double images (diplopia) usually occur at close range.
When looking to the near area so it can arise a called height prism. If your customer is unable to tolerate or compensate for this height prism is a possible alternative is a slab-off glass.
Slab-Off bifocal / trifocal
Height compensation prism near | Slab off edge on seam edge
Slab off varifocals
Height compensation prism near | Slab off edge 11mm below center cross
Slab off varifocals
Height compensation prism far & near | Slab off edge 11mm below center cross
Our slab-off cut (a grinding and polishing technique that serves to create a height compensation prism), which is used for both multifocal and varifocal lenses in the organic and mineral range, creates a barely visible and perceptible dividing line on the inside of the lens that runs across the entire width of the lens.
Simplified request options
Our aim is to implement the wishes of our customers in the best possible way and to enable you to have an uncomplicated ordering process through competent advice and information.
Contact us via email, telephone or use our practical online inquiry form. In the download portal you can view further information and download it if necessary.
