The two-week contact lenses are intended to be worn for 14 days from the opening of the package. It is recommended that you do not spend more than 12 hours a day. These contact lenses need to be properly cooled - they should be washed with a specially designed liquid for use after use, then placed in a contact lens container until the next use, contact lens needs a scrubbing liquid that both clears contact lenses and is useful for storing contact lenses in the container. In this section you will also find twenty-four-hour contact lenses, or extended contact lenses, which are intended to be worn for up to 24 hours a day, for 14 days and nights in a row, without it being taken during sleep. However, it should be taken into account that eye contact is mandatory before starting to use these contact lenses.