These designer prescription glasses are made to accommodate most prescription lenses.Airlock AIRLOCK ESSENCE CHASSIS frames have a round shape, which helps to balance rectangular facial features. Frame shape is the most noticeable feature of a pair of glasses, followed by frame color and frame size. Top brands always have a large collection of rectangle frame shape glasses, as well as oval frame shape glasses.Airlock AIRLOCK ESSENCE CHASSIS frames feature a fashionable rimless frame design. This is the lightest design. It reveals most of the face compared to a full or half rim design. It is frequently used by newscasters and Hollywood actors.2-year warranty. The warrantee by the manufacturer covers manufacturer's defects for the frame. As an online optical superstore, we can help to process a warrantee for you with the manufacturer, according to their return policy. Airlock Glasses Airlock glasses are made by Marchon, one of the world's largest eyewear makers. Airlock glasses are defining the way sport rimless glasses frames are designed. With a unique and new lens positioning system, which uses pressure instead of screws to keep the frames in place, this brand is setting itself up for long term success. Airlock glasses pride itself on a more secure fit, and a lower chance of damage. Airlock glasses can be purchased in a range of colors. Some of their lines include large and gorgeous temples in bold colors. Airlock glasses collection also include frames with edgier shapes and trendier fashion styles. Airlock glasses can all be customized with prescription lenses, just like all of our glasses.