For more than 60 years, TCN has been developing, manufacturing, and marketing coloring preparations specifically dedicated to the coloration of organic lenses.
Our recognized expertise in the ophthalmic field enables us to offer a complete range of solutions tailored to the technical and regulatory requirements of the ophthalmic lens market, regardless of the materials used: CR39®(index 1.50), high-index lenses, polycarbonate, nylon, Trivex®, or cellulose triacetate.
Formulated from synthetic dyes rigorously selected for their intensity, stability, and long-term resistance, our preparations ensure optimal homogeneity, controlled colorimetric reproducibility, and consistent quality, meeting the most demanding standards in the sector.
Designed for efficient integration into professional environments, our solutions are suitable for both independent laboratories and large-scale industrial units, with packaging formats and protocols optimized for performance and productivity.
Developed in compliance with current regulations and as part of a responsible approach, our preparations combine technical precision, industrial reliability, and control of environmental impact.