Buy a pair of prescription eyeglasses, and get one pair free at Eye Buy Direct with the code BOGO. You can choose from styles for men and women. Some pairs start as low as $6.95, but at least one pair needs to be $14.95 to get the discount. It applies to all single-vision glasses, and you can use this on two different prescriptions. So buy the pictured Andreapol Glasses for $29.95 and get these Melinda Glasses, a $19.95 value, for free. Shipping is $5.95 or free over $99. Sales tax is charged in most states.