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Contact Lenses That Darken In Bright Light

November 24th, 2009 by Medgadget in Better Health Network, Research
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Researchers have been trying to coat contact lenses with light sensitive dyes to have them turn dark during bright lighting conditions. Glasses with this property have existed for decades, but the same coating methods are not applicable to contacts.

Technology Review reports on work by the Institute for Bioengineering and Nanotechnology (IBN) in Singapore to use the entire volume of the lens to contain the dye: Read more »

*This blog post was originally published at Medgadget*

Should Halloween Contact Lenses Be Prescription-Only?

October 26th, 2009 by Happy Hospitalist in Better Health Network, Opinion
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That depends on if you can afford to get them.  Costume lenses are all the rage for Halloween by adding an exciting dimension to the costume wearer.   But did you know it’s illegal to market them as over the counter?

Many consumers do not realize that they are FDA- regulated medical devices, and that recent legislation has made it illegal to market them as over-the-counter products. Still, they are commonly available in costume shops, beauty shops, convenience stores, novelty shops, and other places that people shop for Halloween items, as well as over the Internet.

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*This blog post was originally published at A Happy Hospitalist*