Optic Nerve Zaldaingerous Cuda Sunglass Review Drop them in the lake and they float. The Optic Nerve Zaldaingerous Cuda is built by an elite angler for anglers. Full review. In this review we break down the Optic Nerve Zaldaingerous Cuda — a $99 polarized sportwrap developed in collaboration with elite bass angler Chris Zaldain, and built around one feature every fisherman will appreciate immediately: the TRX frame floats. Knock them off your head on a hookset and they sit on the surface instead of sinking into the weeds. Beyond that, the Cuda is genuinely purpose-built for water. HD Color Tuned polarized lenses cut surface glare and sharpen contrast so you can read structure, track fish, and catch subtle movement below the waterline. Hydrophobic and oleophobic coatings shed water, sweat, and fingerprints, while a saltwater-resistant treatment handles the brine. The sportwrap profile adds real peripheral coverage, keeping wind, glare, and spray out of your line of sight, and anti-sli...