What is the danger of wearing contact lenses longer than the term

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Ignoring the contact lens replacement schedule can lead to to serious problems and be dangerous for eye health. Therefore, it is important to know the service life and change them in a timely manner.

Most of the contact lenses used today are soft. The most popular are:

• one-day. They are thin and light. They also eliminate the need for special cases and solutions;
• used for 1-2 weeks – at night they need to be removed and put in the solution;
• monthly wear – also stored in the solution at night. Experts from the Cleveland Clinic (Cleveland Clinic, USA) advise to make it a rule to change the lenses on the first day of every month – this will make it easier to remember the deadline for their replacement. Or use a specific, easy-to-remember date;
• night – put on at night. They have different replacement periods, usually from one week to 30 days.

Every time you wear contact lenses longer than they should or sleep in lenses that are not designed for this, you are exposing risk your eyes, warns optometrist Wes Immler. As a result, discomfort in the eyes or their redness may occur. More serious problems, such as corneal hypoxia, are also possible. This condition can lead to infection and other serious vision problems, up to and including blindness.

Even if you don't use your contact lenses every day, you still need to follow a contact lens replacement schedule. As soon as you take the lenses out of the sterile packaging, they start to deteriorate – no matter how many times you've worn them, an expert warns.