Each time they opened a package, the patients completed a questionnaire about their subjective difficulties in opening it, including the seal, tear tab size, tear tab palpability, visibility of the opening mechanism, force required, pain during the opening process, and problems with the fine motor skills. The patients also evaluated the laterally placed notch. Based on the results, we adapted the packaging and decided what technical configurations would be the best for the patients, bearing in mind that the contents always have to be packed safely. In the next step, reported in the present paper, we carried out a larger study to determine whether patients were more satisfied with this technically modified packaging (Type B) than with the packages that were available in supermarkets at that time (Type A).