Sclera lenses are not for the faint heart. They are the biggest in size. On the other hand mini sclera lenses are comparatively smaller yet bigger than standard contacts. If you have been a dare-devil all your life; you will not have any problems testing 22mm sclera lenses. Otherwise, you can safely play around with mini sclera lenses. Below for your refrence we are sharing the difference in sizes between both. The lenses in comparison are Flashback Sclera Sabretooth & Flash Mini Sclera Lens Nebulos.