As you may have already know, VSP/Sharper Image has recently released Techshield Blue as their newest AR product.
Main difference from previous Techshield? They removed the backside AR, but kept the UV.
Lenses-wise, Prevencia has a more pronounced purple reflection, whereas the Techshield Blue has a light blue reflection and our rep claims that it blocks more of the harmful blue light. However I am not so sure.
Should Crizal Prevencia still be considered one of the best AR's a patient can get? Or is Techshield Blue a just-as-good alternative?
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