Take an extra 42% off Prescription Glasses of $100 or more at GlassesUSA.com via code BRADSDEALS42. Many pairs of eyeglasses are already discounted 50% off or more, so this is a huge price drop. The Diesel Glasses (pictured), already on sale from $235 to $129, fall to $87. These Lucky Brand Glasses fall from $230 to $109 to $67, while these Kenneth Cole Glasses fall from $250 to $118 to $76. Shipping starts at $8.95. Sales tax is charged in most states.