These designer prescription glasses are made to accommodate most prescription lenses.Aspex ET856 frames have a oval 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.The frame has adjustable nosepads, a popular feature providing comfort and precision to any nose shape.Designed for children, this model has a Spring type hinge for greater comfort.Standard skull temples can be easily adjusted to fit perfectly behind your ears.1-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. See all Aspex Aspex Glasses Brands: Easyclip, Takumi, and Easytwist Glasses Aspex Eyewear is a high quality maker of some of the world's most innovative, and patented, glasses brands. You can find them on our site by looking at the model numbers: Easyclip glasses begin with EC, Takumi glasses with TK, Easytwist glasses with ET. Easyclip glasses are known for their magnetic clip on sunglasses; Takumi glasses are known for the style and titanium frames; and Easytwist glasses are known for their incredible ability to be twisted in any direction. Aspex glasses are available in a variety of shapes, sizes, and colors. Aspex Eyewear glasses and Aspex Eyewear sunglasses can all be customized with prescription lenses, just like all of our glasses.