Oval Doll Eyes-  Some are hand blown and are called pinch-back eyes because the glass is pinched together on the back of the eye (similar to the look of Shell Pasta) Another Style of Oval Eye is the Flat Back Paperweight eyes with a slightly raised iris and a completely smooth flat back. There are oval eyes that are made of solid glass, blown glass, acrylic and as paperweight eyes. A great addition to your doll supplies!