Offer valid from May 21st, 2020 8 a.m. ET. to May 28th, 2020 8 a.m. ET. Enter BLUES at checkout. US$30 off discount is applied to the blue light protection which is US$50. Not applicable to pre-order items. Cannot be combined with any other coupon, promotion or separate order. Only one prescription per order. While supplies last. Not redeemable for cash. No adjustments on previous purchases. BonLook reserves the right to modify or discontinue this promotion at any time without notice.