They are more heat-resistant than plastic lenses and are far more resistant to deterioration over time.

It is also highly transparent, so it is recommended for those who are particular about visibility.
Refractive indices of up to 1.90, which indicates the thinness of the lens (the highest plastic lens is 1.76), are available, making them ideal for people with strong myopia.
Plastic lenses now account for more than 95% of eyeglass lenses, but we also offer glass lenses.