From many of her images, we can see that the so called sarah palin reading glasses is just made of common metal rimless eyeglasses in a square shape. This is really common style among eyeglasses industry. If you want to buy a pair of reading that similar to sarah palin worn, Just pick up one square rimless metal eyeglasses frame. And i have saw some sarah palin reading glasses at http://www.readingglassesshopper.com, you can have a look. Good luck.
This website can help you to deal with your problem. http://www.amazon.com. You must know the Amazon online store. It is a worldwide famous online retailer which can provide you with good quality and low price commodity. The best service of Amazon I think is that it can support a badge option for uses. It is easy for you to select the satisfactory sarah palin reading glasses for your wife with a competitive price.