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Are TruFocals An Option for Presbyopia?

Posted By Dr. Dominique Walton Brooks On August 13, 2009 @ 9:54 pm In Industry News,New Technologies | Comments Disabled

Another type of glasses for people with presbyopia has been developed and is now commercially available.  TruFocals glasses feature a slider located above the nose bridge of the glasses; this slider can be used to change the focal point of the lenses in real time.

These glasses use a conventional lens that is paired with a transparent flexible lens; the flexible lens is closer to the eye.  In between both lenses is a pocket that contains a small amount of clear fluid. When the glasses are adjusted, the fluid moves which alters the shape of the flexible lens and changes the correction of the glasses.  This provides a focal range that the wearer can adjust as needed.

This is an intriguing concept and it doesn’t appear that the lenses are very heavy. I would be curious to learn more about the optics of these glasses and what the range of correction is.

Read [1] the article.


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[1] Read: http://medgadget.com/archives/2009/08/trufocals_offer_new_option_for_presbyopic_eyes.html

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