Intraocular Lenses, Injectors, Viscoelastic Gels & Sutures | USIOL Since 1985, USIOL has manufactured quality intraocular lenses in the US for worldwide distribution. Also offering sutures, viscoelastics, and more. Since 1985, USIOL has manufactured quality intraocular lenses in the US for worldwide distribution. Also offering sutures, viscoelastics, and more.