Precision Technology Services Ltd. is a manufacturer of Rigid Gas Permeable Contact Lenses. In addition to manufacturing, we distribute a variety of ophthalmic products direct to Eye Care Practitioners. We are proud to be the North American Distributor of the Medmont Corneal Topographers. With over 32 years of business experience, Precision has become a globally respected leader in the education, application and fitting of specialty contact lenses with the use of corneal topography.