; and (iii) for the eighth year following the year specified in clause (i) and each subsequent year, 80 percent. (C) Secretarial authority (i) Authority to apply limitations The Secretary may apply reasonable limitations on the extent to which low vision devices 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 low vision devices to the extent that such modification is consistent with the recommendations of the United States Preventive Services Task Force. (D) Low vision device defined In this paragraph, the term low vision device means a device, prescribed by a physician, that magnifies, enhances, or otherwise augments or interprets visual images irrespective of the size, form, or technological features of such device and does not include ordinary eyeglasses or contact lenses. In the previous sentence, the term ordinary eyeglasses or contact lenses means lenses that are intended to fully correct visual acuity or fully eliminate refractive error. . (f) Definition of durable medical equipment To include eyeglasses, contact lenses, and low vision devices Section 1861(n) of the Social Security Act ( 42 U.S.C. 1395x(n) ) is amended— (1) by striking and before eye tracking and inserting a comma; and (2) by inserting , and eyeglass lenses, low vision devices (as defined in section 1834(a)(25)), eyeglass frames, and contact lenses before