Medical News Today chooses the best contacts for astigmatism based on the following criteria where possible: . Food and Drug Administration (FDA) approval: All companies require FDA approval. This ...

She says, "Wearing contact lenses for too long can have several detrimental effects on your eye health. The longer you wear them, the higher you are prone to chances of developing an eye infection.

How long a contact lens lasts depends on the type of lens you have. Some are only to be used for one day, some for a few weeks, some longer. Always follow the directions that come with your lenses.