How can prescription glasses always maintain their popularity!

[black glasses frames]

With the growth of today's eyeglasses manufacture, we come from the old days glass to plastic material, such as CR-39 and PC lenses, and the appearance of contact lenses is a important progress, some people even doubted contacts would replace ordinary eyeglasses, as in some senses, they are do better than eyeglasses, however, prescription glasses can always maintain their popularity. So, why such eye wears are still popular? In my opinion, today's eyeglasses are both for fuction and fashion, and the ideal of design firmly related with fashion.