215 ILCS 165/15.10

Every service plan contract of a health service plan corporation issued after the effective date of this amendatory Act of 1979 which provides coverage for services coming within the practice of optometry as defined in the Illinois Optometric Practice Act of 1987, as now or hereafter amended shall, upon issuance, be accompanied by a written notice to the subscriber that such subscriber may elect for optometric services received to be reimbursed to either a physician licensed to practice medicine in all its branches or to an optometrist licensed in this State.