Yes! When using a pair everyday it's important that they fit properly so make sure that they have been fitted by an optometrist before purchasing them online; also ensure that all necessary safety precautions have been taken such as washing hands prior handling them in order reduce risk contamination from bacteria which could lead serious infections if not addressed correctly; finally always keep spare pairs handy just case one gets lost while out running errands etc., so can easily switch out another without having wait until next appointment get new ones fitted again.