Based on the search results, all three items listed contain plastic. Cigarette butts are primarily made of cellulose acetate, a type of plastic, and are a significant source of plastic pollution. Eyeglass lenses are often made from plastic materials such as polycarbonate or CR-39, which are popular due to their lightweight and impact-resistant properties. Car tyres contain synthetic rubber, which is a plastic polymer, and they contribute significantly to microplastic pollution as they wear down. Therefore, all three items contain plastic.