Many single vision glasses wearers are near-sighted,it means that they can see well up-close, but have trouble focusing into the distance. In order to sharpen distance vision, these lenses should be thin.
If you have strong prescription eyeglasses, the best frame styles are usually a rounded, oval frame. However, because of advanced technologies, there can be other options. It is important to consider how different frames and lenses affect your prescription eyeglasses.