; and (B) by inserting before the semicolon at the end the following: , and (II) with respect to vision services (as defined in section 1861(mmm)), the amount paid shall be the payment amount specified under section 1834(bb) . (2) Payment and limits specified Section 1834 of the Social Security Act ( 42 U.S.C. 1395m ), as amended by section 2, is further amended by adding at the end the following new subsection: (bb) Payment and limits for vision services (1) In general The payment amount under this part for vision services (as defined in section 1861(ooo)) shall be, subject to paragraph (2), 80 percent of the lesser of the actual charge for the services or the amount determined under the payment basis determined under section 1848. (2) Limitations and Secretarial authority (A) Frequency With respect to routine eye exams, payment may be made under this part for only one such exam during a 12-month period. (B) Secretarial authority (i) Authority to apply additional limitations The Secretary may apply other reasonable limitations on the extent to which vision services 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 vision services to the extent that such modification is consistent with the recommendations of the United States Preventive Services Task Force. (iii) Authority to waive frequency limitations Notwithstanding subparagraph (A), the Secretary may waive any frequency limitation under such subparagraph for an individual (or category of individuals) if determined appropriate by the Secretary. . (d) Payment under physician fee schedule Section 1848(j)(3) of the Social Security Act ( 42 U.S.C. 1395w–4(j)(3) ) is amended by inserting (2)(LL), after (2)(KK), (as added by section 2). (e) Special payment rules for eyeglasses, contact lenses, and low vision devices Section 1834(a) of the