Graphene-coated contact lenses block radiation, prevent dehydration

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Graphene-coated contact lenses developed by Korean researchers prevent dehydration and protect wearers from electromagnetic radiation.

Despite how promising the technology sounds, researchers admit the lenses do not have an immediate practical application, according to the study in ACS Nano.

The lenses were tested by placing egg whites—yes, the ingredient used in the kitchen—below the lenses and placing them in a microwave. The radiation from the microwave was converted into heat by the lenses, which then dissipated into the air. The egg whites did not cook, showing they were kept safe from the radiation.

The contacts can even proctect against dehydration from water evaporation in the eyes. This was tested by putting the contact lenses on top of vials containing water. Evaporation effectively stopped.