No corrective eyeware can or will make your eyes bigger. Some prescriptions, plus power eyeglasses, may make your eyes appear bigger, like holding a magnifying glass in front of your eye. The eye appears larger because of the distance between the lens and your eye. The type, under a magnifying glass doesn't appear larger. It only gets bigger when you pull the glass away from the paper, putting distance between the object and the lens. Since contact lenses sit directly on the eye, there's no distance between the lens and the eye, and no impression of big eyes.