How do I contact Sightbox Customer Support? You can reach us Monday - Friday, from 8:30 AM to 4:30 PM PST via chat. You can also contact us at firstname.lastname@example.org and we will get back to you as soon as possible. Related articles How do I cancel my membership? How can I update my shipping information? Do you sell those contact lens timer cases? What happens if my doctor prescribes a lens Sightbox cannot support? How long does it take to get a refund? Comments 0 comments Please sign in to leave a comment.