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Trifocal is described in multiple online sources, as addition to our editors' articles, see section below for printable documents, Trifocal books and related discussion.

Suggested News Resources

Tyler Junior College Vision Care students now accepting patients
Southern Oregon Journal: Hands-on play at ScienceWorks
We moved on through a hall of visuals proving beyond doubt that things aren't always as they appear to the naked eye, or to one wearing a tri-focal, either. The area marked "Noise!" concerned the science behind what we hear and how.
Alphaeon enters agreement with PhysIOL for trifocal lens technology
PhysIOL's research and development has produced a range of innovative products, designed in partnership with ophthalmic surgeons, as well as specialized research centers and universities. This partnership enables Alphaeon to bring PhysIOL trifocal lens ...
Trifocal IOL shows good vision at all distances at 1 year
Another important asset is that the addition is 1.66 D at intermediate and 3.33 D at near.
Tom Clancy games ranked, from Splinter Cell and...
Splinter Cell introduced the world to Sam Fisher for the first time, along with his tri-focal goggles shining through the darkness.

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