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Published on Jul 31, 2013
By embedding LCD technology in a contact lens, the resulting electro-optic component could act as an artificial iris. When patterning the different pixels in concentric rings, the opening and closing of the iris can be mimicked, which is helpful for people with damaged irises. In this video increasing switching times are shown. Note that this artificial iris can switch much faster than a normal iris, potentially acting as an additional safety net for people working in bright light conditions. The component still needs embedding in a real contact lens, but a small hole was already foreseen in the middle to locally increase and match the oxygen permeability of the contact lens material.
This work was performed at the Centre for Microsystems Technology, a research group affiliated with both Ghent University and imec, Belgium.
For more information, please contact Jelle De Smet via email: jelle 'dot' desmet 'at' elis 'dot' ugent 'dot' be