Scratched Contact Lenses Heal Themselves Under an Hour of UV Light
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A razor blade dragged across a soft contact lens leaves a gouge about a third of the way through it, deep enough to scatter light and catch the eye. Shine ultraviolet light on that same lens for an hour, at room temperature, and the gouge closes. The surface goes back to near-seamless. No heat, no glue, no replacement from the blister pack.
That is the demonstration from Jung-Hyun Choi and Byoung-Ki Cho at Dankook University in Korea, reported in ACS Applied Polymer Materials. It is, they reckon
That is the demonstration from Jung-Hyun Choi and Byoung-Ki Cho at Dankook University in Korea, reported in ACS Applied Polymer Materials. It is, they reckon
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