Contact lenses could be used to deliver drugs to treat eye diseases like glaucoma, researchers say.

The team from the University of Florida say they have been able to make soft contact lenses which can slowly release drugs directly into the eye.

The lenses could also be made to correct vision problems.

It is hoped the lenses could replace eye drops, which are often difficult to use, mixing with tears and running down the face instead of going into the eye.
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