Most Popular Styles and Shapes 70's-80's Oversized Square Eyeglasses, Thin and Lightweight Metal Eyeglasses, Sporty Aviator Glasses, Circle Round Glasses, Vintage Cat-Eye Glasses, Dapper Semi-Rimless Glasses, Slim, Narrow Oval & Rectangular Tiny Reading Glasses, Stylish Flat Top Glasses. When selecting a frame, a good rule of thumb is to choose the opposite of your facial features. For example, a square or angular faces look great in round frames, whereas round faces and softer features benefit from the contrast of square frames. Contrast your features to create balance. Find the frame of your choice on The Best of Zambia.