; and (iii) for the eighth year following the year specified in clause (i) and each subsequent year, 80 percent. (C) Limitations and Secretarial authority (i) In general Payment may be made under this part for an individual for— (I) not more than one full upper and one full lower denture once every five years; and (II) not more than one partial upper denture and one partial lower denture once every five years. (ii) Secretarial authority (I) Authority to apply additional limitations The Secretary may apply such other reasonable limitations on the extent to which dentures are covered under this part, including through application of a prior authorization requirement. (II) Authority to modify coverage Notwithstanding any other provision of this title, if the Secretary determines appropriate, the Secretary may modify the coverage under this part of dentures to the extent that such modification is consistent with the recommendations of the United States Preventive Services Task Force. . (f) Repeal of ground for exclusion Section 1862(a) of the Social Security Act ( 42 U.S.C. 1395y ) is amended by striking paragraph (12). (g) Effective date The amendments made by this section shall apply to services furnished on or after January 1 of the first year beginning at least six months after the date of the enactment of this Act. 3. Vision care (a) Coverage Section 1861(s)(2) of the Social Security Act ( 42 U.S.C. 1395x(s)(2) ), as amended by section 2, is further amended— (1) in subparagraph (GG), by striking and after the semicolon at the end; (2) in subparagraph (HH), by adding and after the semicolon at the end; and (3) by adding at the end the following new subparagraph: (II) vision services (as defined in subsection (lll))