視し覚かく系けいMeaningsNoun1. visual system; ophthalmencephalonKanji used視look at覚awareness系lineagePitch accentしかくけいしかくけいComposed of視し覚かく(sense of) sight; eyesight; visionNoun系けいsystem; lineage; group; corollary; system (range of strata that correspond to a particular time period); (taxonomical) seriesNoun