Full glasses frames completely wraps lenses, made from different materials and comes in different styles. Not expensive reading glasses are made from materials like plastic: zylonite or cellulose acetate, propionate, nylon and metal: monel, titanium, beryllium, stainless steel, ticral, flexon, aluminum. Full reading glasses in which the entire lens is made in the reading prescription are suitable for people who spend a great deal of time concentrating on material close-up.
