Quick view Compare Hydrotac Stick-On Bi-Focal Lens Hydrotac lenses turn any eyewear into reading glasses with superior clarity. Adhere with just a drop of water! Lenses are removable and reusable. 1.2 inches in diameter Material: Polymer Aspheric Removable and Reusable Trim with scissors to... MSRP Sale CAD $28.54 Add to Wishlist Quick Add