amaurosis

noun

am·​au·​ro·​sis ˌa-mȯ-ˈrō-səs How to pronounce amaurosis (audio)
plural amauroses ˌa-mȯ-ˈrō-ˌsēz How to pronounce amaurosis (audio)
: partial or complete loss of sight occurring especially without an externally perceptible change in the eye
amaurotic adjective

Examples of amaurosis in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
In laboratories and clinics around the world, gene therapies are being successfully deployed to treat a range of diseases, including certain types of immune deficiency, retinal amaurosis, leukemia, myeloma, hemophilia, and Parkinson’s. Jamie F. Metzl, Foreign Affairs, 10 Oct. 2014 For example, Leber congenital amaurosis, a rare genetic eye disorder, isn't on the federal list even though the Food and Drug Administration approved a gene therapy for it in 2017. Aria Bendix, NBC News, 17 June 2023 Editas Medicine released some data on its experimental drug for Leber congenital amaurosis, an eye disorder, which indicated that out of three doses tested, two patients did not see a significant improvement in a test of functional sight, while the other patient showed some improvement. Trefis Team, Forbes, 19 Oct. 2021 Last week, Editas Medicine, Inc. another genome editing company based in Cambridge, enrolled the first children in a trial designed to test CRISPR editing in a hereditary cause of blindness called Leber congenital amaurosis 10. Karen Weintraub, USA TODAY, 26 June 2021 See all Example Sentences for amaurosis 

Word History

Etymology

borrowed from New Latin amaurōsis, borrowed from Greek amaúrōsis "dimming of sight, loss of sight without a visible cause," from amaurō-, variant stem of amaroún "to make dim or faint, weaken, impair" (verbal derivative of amaurós "dim, faint, having little or no sight," of uncertain origin) + -sis -sis

First Known Use

circa 1657, in the meaning defined above

Time Traveler
The first known use of amaurosis was circa 1657

Dictionary Entries Near amaurosis

Cite this Entry

“Amaurosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amaurosis. Accessed 5 Nov. 2024.

Medical Definition

amaurosis

noun
am·​au·​ro·​sis ˌam-ȯ-ˈrō-səs How to pronounce amaurosis (audio)
plural amauroses -ˌsēz How to pronounce amaurosis (audio)
: partial or complete loss of sight occurring especially without an externally perceptible change in the eye
amaurotic adjective
Last Updated: - Updated example sentences
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