5 U.S.C. § 8982

(a) The Office shall establish and administer a program through which an eligible individual may obtain vision coverage to supplement coverage available through chapter 89. (b) The Office shall determine, in the exercise of its reasonable discretion, the financial requirements for qualified companies to participate in the program. (c) Nothing in this chapter shall be construed to prohibit the availability of vision benefits provided by health benefits plans under chapter 89.