Buy one pair of Rx eyeglasses, get one pair free when you apply coupon code BOGO during checkout at EyeBuyDirect.com. Plus that code takes an additional 15% off. Choose from hundreds of styles for men, women, and kids. Some pairs start as low as $6 (although one pair needs to be at least $15 to qualify for the deal). You can get free Rx lenses, Rx sunglasses, reading lenses, or fashion (nonprescription) lenses as well. Just add both pairs to your cart and apply the code to see the discount. Plus each pair can be a different prescription. Shipping is free with $99 or starts at $5.95 for orders under $99. Some lens choices and other upgrades are extra. Sales tax is not charged in most states.