To vaguely paraphrase a person in a thread on the Loki Kirin skin, frames generally don't have defined, binocular eyes. Obviously some frames have things that look like visual receptors, and Nidus Phryke has tonnes of eyes, but neither have them in anthropomorphic placements. I think it'd fit better if the "eyes" constituted the whole channel between the plates, extending down from where they currently are to form a V shape like the Oberon BotL skin maybe, or if they extended inwards such that it looked like they would attach beneath the middle plate. Or maybe just give him more of them? I just think the whole faceless aspect of Warframes in general is kind of important, though to be fair a lot of Nidus skins already have mouths and eyes and stuff and I guess you could argue he's a more innately animalistic frame than most.