What payment methods are accepted? VISA, Mastercard, American Express and Discover - including FSA and HSA cards. Ready to begin your Sightbox membership? Get started here. Related articles Does Sightbox offer a discount code? How about a free trial? How often is a Sightbox account charged? Can I use my Health Savings Account (HSA)? How long does it take to get an appointment? How long until I get my contacts? What does it mean to finalize a contact lens prescription? Comments 0 comments Please sign in to leave a comment.