Men - Men's glasses are extremely strong, usually the contour lines of such frames are quite straight and with clearly defined corners. Fullrim - The closed type glasses are strong and durable, because the lenses are covered with metal or plastic frames. This type of frames are recommended for people with high diopters. Yellow - Sunglasses with yellow lenses or yellow eyeglasses frames will instantly distinguish you from the crowd and give the impression of a bright, positive personality.