Home » Coupons & Promo Codes » $20 Off Storewide $20 Off Storewide SaveSavedRemoved 0 The Frugal Buzz Team April 16, 2020 Now through April 19, you can save $20 off your online order at ThinOptics. Save on readers, reading glasses, and sunglasses. Some exclusions apply. [adace_coupons ids=”22773″] Offer excludes Suns, Replacements Cases Only and Clearance.