Conjunctivitis (pink eye), which is an infection in the conjunctiva that lines the eyelids.Inflammation, which can become chronic and make it hard for you to continue to wear contacts at all.Corneal problems, including ulcers, or infectious keratitis, tears, abrasions, and sores.Hypoxia, which is a lack of enough oxygen flowing through the lens to the eye.

Mayo Clinic warns that while extended wear, or monthly, contacts may be approved for continuous monthly use, they are not without complications even when worn as directed.Ĭomplications of wearing monthly contacts longer than their disposal schedule can include: Soft contact lenses are marketed both in daily use and extended wear lenses.

It is important to follow the guidance of your eye doctor and all instructions from the contact manufacturer on caring for your contact lenses, how long you can safely wear them, and when to replace them. There are monthly, or extended wear, contacts that can be worn continuously for up to a week or longer. Monthly contacts are generally worn during the day, cleaned and stored each night, and then disposed of after a month of daily use.

For example, daily disposable contacts are meant to be used for one day and then thrown away. Contacts will typically have a set disposal schedule as well.

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