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? How does contact lens delivery work? Are color contact lenses available for astigmatism? What happens if my doctor prescribes a lens Sightbox cannot support? What if I have vision benefits already- Will they pay for Sightbox? Comments 0 comments Please sign in to leave a comment.