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Wed, Nov 11 2009

UV-Responsive Contact Lens Darken Automatically Under Sunlight

Believe it or not, while glasses that turn a shade darker under bright sunlight have been around for 40 years, only recently has someone developed a pair of contact lens that does the same.

photochromatc-contact-lensEven better, through the use of some nifty nano-engineering, these photochromic (that’s the scientific term folks) lens perform even better than their traditional, frame-rimmed counterparts. According to the director of the Singaporean institute responsible for this development, the contact lens adapt faster, thanks to the use of a network of really tiny tunnels distributed evenly throughout the lens.

These tunnels contain the dye that automatically adjusts to the sunlight; the structure itself allows more of this dye to exist in the same area, granting the sensitivity and speed benefits noted above.

Will these lens be a good enough reason for me to drop my glasses and fully embrace the daily hassle of putting on and removing contact lens? It would be really cool to have your eyes turn black. Imagine the intimidation potential!

Perhaps, but only time will tell. No word yet on market availability and price, so stay tuned!

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