The SiC-TiC composites materials for glasses lens cutting were fabricated by hot-pressing and annealing. The amount of TiC was 0, 10, 20, 30wt% in the mixture of ${eta}-SiC$. The microstructure of materials for glasses lens cutting was very dependent on the TiC amount. The introduction of larger amount of TiC improved fracture toughness, optical microscope and XRD analysis of the surface of samples were carried out. An in situ-toughened microstructure, consisted of distributed elongated SiC, matrix like TiC grains was developed by using ${eta}-SiC$. Typical hardness and fracture toughness of materials for spectacle lens cutting were 14.9 GPa and $5.7MPa{cdot}m^{1/2}$, respectively.