― If you have to wear eyeglasses, they should at least look good on you. The many different styles of eyeglasses can make finding a pair that flatter your face shape simple. The key to choosing a flattering pair of glasses is to think in terms of opposites, according to optician Rene Soltis in "Real Simple" magazine. Choose glasses that are a different shape than your face to look your best. ∙ Square Glasses ∙ Square or rectangular glasses frames look best on a round or oval face, [...].