Ideally contacts should be worn for 8-10 hours.
When should I take off my contacts?
Contact lenses are a great alternative to glasses. However, leaving them on for long amounts of time isn't the healthiest for your eyes. The cells on your cornea survive on oxygen from the atmosphere. If these cells don't get enough oxygen, the cells become swollen and can expose the cornea to bacteria. It is important to take good care of your contact lenses and allow your eyes, a few hours befor ... More