Non-RX Clear Plastic LensesNon Prescription Ultra Clear Plastic lenses are an excellent choice material that is thinner and clearer than standard lenses. For no additional charge, we also put a complimentary anti scratch coating on the lenses! Our plastic lenses fit in most eyeglass frames, excluding: Drill mount frames Semi rimless frames where the temple arm connects directly to the lens or has a nylon cord at the bottom of the lens.