Does Sightbox work with RGP (rigid gas permeable) or scleral lenses? No, Sightbox is designed to support soft disposable contact lenses only. We are unable to support hard or custom contact lenses of any kind. Ready to begin your Sightbox membership? Get started here. Related articles What shipping methods are used? How does shipping work? What happens if my doctor prescribes a lens Sightbox cannot support? How does contact lens delivery work? How long does it take to get an appointment? How long until I get my contacts? Are color contact lenses available for astigmatisms? Comments 0 comments Please sign in to leave a comment.