If you are planning to buy a new pair anyway, trading in can be more lucrative than a private sale:
Second Hand Glasses : sell and buy used glasses and sunglasses online. What To Do With Old Glasses? 5 Top Tips - Fashion Eyewear we buy glasses
The RealReal specializes in luxury brands and offers site credit or cash for pre-owned designer sunglasses. If you are planning to buy a new
Seecly provides a platform specifically for buying and selling second-hand prescription glasses and sunglasses. : we buy glasses
: Offers a trade-in scheme where you can send in frames (at no cost) to receive account credit toward your next order.