Varifocal Glasses & Lenses Explained
0:49
YouTubeOnline Opticians UK
Varifocal Glasses & Lenses Explained
http://www.onlineopticiansuk.com/varifocal-glasses-t8A short video explaining varifocal/progressive glasses & lenses, how they work, the benefits and feature...
4.6K viewsApr 28, 2014
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