These contact lenses can be worn throughout the day, then removed in the evening before you go to sleep, cleaned with contact lens solution, and stored in a contact lens case overnight. These lenses should be used daily for up to a month, then replaced with a fresh pair the following month. To keep your eyes healthy it’s important that you follow your optician’s recommendations regarding handling and how long you should wear your lenses for. Often careless handling of lenses or using lenses for too long can be a common cause of problems such as eye infections. If you do experience any problems with your lenses, first make sure you are using the correct lenses, if you are then contact our customer services or your optician for advice.