/ Thesaurus / N Synonyms of night blindness Find synonyms for: Noun1. nyctalopia, night blindness, moon blindness, visual impairment, visual defect, vision defect, visual disorder, avitaminosis, hypovitaminosisusage: inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorderWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language