S.C. Code Ann. § 40-38-310
(B) It is unlawful for a person to offer or give eye examinations, eyeglasses, spectacles, lenses, or any part used in connection with them as a premium or bonus with merchandise or in any other manner to induce trade. This section does not prohibit giving ophthalmic products incidental to the use of the product being offered or the offering of a reduced price, sale, or discount on purchases.
These disclosures must be made with any offer:
(C) It is unlawful for a person to disseminate price information concerning ophthalmic goods and services without including an advertised price for: