Optometrist. Let P. Klassen Optician take care of all of your eye care needs! Peter Klassen and his team have been taking care of clients in Kitchener-Waterloo & Cambridge for many years with customer-focused, affordable service. We have an on-site licensed and registered optometrist who provides full examinations to ensure your complete ocular health. Schedule an appointment today or stop by the store & browse our extensive eye glass collections!