amaurosis/ˌæ.mɔˈɹoʊ.səs/EtymologyBorrowed from New Latin amaurōsis, from Ancient Greek ἀμαύρωσις (amaúrōsis, “dimming, obscuring, amaurosis”), from ᾰ̓μαυρόω (ămauróō, “to grow dim”), from ἀμαυρός (amaurós, “dim”).amaurosis means any form of blindness that is accompanied by no obvious change to the eye; often the result of disease of the optic nerve. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounAny form of blindness that is accompanied by no obvious change to the eye; often the result of disease of the optic nerve.“Leber's congenital amaurosis (LCA) is a group of inherited blinding diseases with onset during childhood.”