The recommended number of hours a daily wear lens should be worn each day before it should be removed, or the recommended number of days a continuous wear lens should be worn for before it is replaced. Failure to adhere to the recommended wearing schedule puts the eyes at risk of infection and disorders associated with deprivation of oxygen. If the recommended wearing schedule does not fit in with your lifestyle you should enquire about lenses with higher oxygen permeability that can be worn safely for longer. Not to be confused with replacement schedule. |  |