introducing caddis frequency^® lenses.

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).