Variable power optics - Imagine being able to adjust the strength of your prescription yourself, with the touch of a dial. Wouldn't it be nice to reduce trips to the optometrist and eliminate the need for a second or third pair of glasses, even readingglasses? These interface glasses include a variety of spherical powers and make it happen. It has three different customizable settings that you can adjust to. Just one pair is all you need for near, medium and long distances Instant Optometry Glasses - Enjoy clear focus instantly, whether you're near or far. Never forget where you put your spare glasses, or leave them in your car, or on your nightstand again. These versatile lenses are perfect for all your vision needs, includingreading computer TV and driving. Adjustable Eyeglasses - This technologically advanced pair of adjustable strength lenses gives you crystal clear instant vision and can replace your reading glasses and driving glasses. These stylish adjustable interface instant prescription glasses willkeep your vision focused on near to mid to far distance. Adjustable eyeglass frames may sound like something out of science fiction, but they are a very real reality and work for both near and far-sighted people. Lightweight and durable construction These stable varifocal glasses are impact resistant and made of extremely durable plastic. See clearly and understandably with these vision enhancing frames. They fit all face shapes and are both stylish and functional.These top-of-the-line glasses are perfect for men and women of all ages, including seniors. They provide you with instant vision no matter where you are. Delivery Quantity: 2pcs Package Contents: Only the above package content, other products are not included. Size: 14.5*3.5*3.4 cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Colour: Black (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)