Overlay shape

Contamac developed Definitive, the first latheable silicone hydrogel material. It became the benchmark for a new generation of lathe-cut silicone hydrogel materials, winning the Queen’s Award for Innovation in 2016.

In addition to providing increased oxygen permeability, its unique surface qualities and outstanding level of on-eye comfort ensure that Definitive is ideal for producing a wide range of lens designs while supporting corneal health.

Definitive Technical Data

Accessories & Consumables

More from the range

Silicone Hydrogel

Our Silicone Hydrogel materials have combined the benefits of soft lens materials with increased oxygen permeability to ensure outstanding levels of on-eye comfort and improve corneal health.