The court has continuing jurisdiction to modify or revoke a judgment or order issued under sections 3111.01 to 3111.18 of the Revised Code to provide for future education and support and a judgment or order issued with respect to matters listed in divisions (C) and (D) of section 3111.13 and division (B) of section 3111.15 of the Revised Code, except that a court entering a judgment or order for the purchase of an annuity under division (D) of section 3111.13 of the Revised Code may specify that the judgment or order may not be modified or revoked.
R.C. § 3111.16