Up to 25% off Buy More, Save More Memorial Day Sale at Zenni Optical Zenni Optical is taking 15% off one pair, 20% off two pairs, or 25% off 3 or more pairs with coupon code STOCKUP. Frames must be at least $50 to qualify for the discount. The pictured Dark Gray Browline Glasses start at $51. Posted by Faraday05/21/2026 at 07:00 PM PT