/ Thesaurus / K Synonyms of keratectasia Find synonyms for: Noun1. keratectasia, astigmatism, astigmiausage: abnormal bulging of the cornea of the eyeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language