Glasses USA discounts a selection of clearance frames and lenses during its Big Fall Clearance Sale, with prices starting from $48. Plus, take an extra $25 off orders of $79 or more via coupon code "FALL25", an extra $50 off orders of $129 or more via coupon code "FALL50", or an extra $100 off orders of $219 or more via coupon code "FALL100". Even better, all orders receive free shipping. Some exclusions apply, including premium options. Deal ends October 20 at 6 am ET. A couple of best bets after coupon "FALL25":