The Pennsylvania departments of Health and State today warned that it is against the law to sell decorative or cosmetic contact lenses without a prescription and that using unfitted lenses can pose a serious health risk. Such lenses are popular during the Halloween season. Federal and state law requires prescriptions for contact lenses. "Decorative or cosmetic lenses are considered medical devices under federal law, and are legally marketed as prescription devices," said Secretary of the Commonwealth Carol Aichele, whose department licenses both physicians and optometrists in Pennsylvania.To see more details visit, www.marketwatch.com