How do I reactivate my Sightbox membership? If you would like to reactivate your account or have any questions about the reactivation process, please send us a message at firstname.lastname@example.org. Related articles How do I renew my Sightbox membership for another year? Can I sign up for Sightbox if I have keratoconus? What if my card was declined? How is Sightbox different from Hubble? What happens if my doctor prescribes a lens Sightbox cannot support? Comments 0 comments Please sign in to leave a comment.