introducing caddis frequency® lenses.
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All clear lens CADDIS readers - in all magnifications - now come with our proprietary blue light blocking frequency® lenses.
Blue light blocking technology infused into the lens. Not coated.
Block 45% of harmful blue light at, and surrounding, the most harmful wavelength (455 nm). This is more than other brands. Ask and you'll see.
Are nearly clear (which is hard to do).