amaurosis

noun
am·​au·​ro·​sis | \ ˌa-mȯ-ˈrō-səs How to pronounce amaurosis (audio) \
plural amauroses\ ˌa-​mȯ-​ˈrō-​ˌsēz How to pronounce amauroses (audio) \

Definition of amaurosis

: partial or complete loss of sight occurring especially without an externally perceptible change in the eye

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Other Words from amaurosis

amaurotic \ ˌa-​mȯ-​ˈrä-​tik How to pronounce amaurotic (audio) \ adjective

Examples of amaurosis in a Sentence

Recent Examples on the Web The people in this study have Leber congenital amaurosis, caused by a gene mutation that keeps the body from making a protein needed to convert light into signals to the brain, which enables sight. Marilynn Marchione, USA TODAY, "Doctors altered a patient's DNA to treat blindness with controversial gene editing tool," 4 Mar. 2020 The people in this study have Leber congenital amaurosis, caused by a gene mutation that keeps the body from making a protein needed to convert light into signals to the brain, which enables sight. NBC News, "Doctors use CRISPR gene editing inside a person's body for first time," 4 Mar. 2020 Last July, the pharmaceutical companies Editas Medicine in Cambridge, Massachusetts, and Allergan in Dublin launched a trial to treat the genetic disorder Leber congenital amaurosis 10, which can cause blindness, by editing eye cells. Heidi Ledford, Scientific American, "Quest to Use CRISPR Against Disease Gains Ground," 7 Jan. 2020 The blindness study is for people with one form of Leber congenital amaurosis. Washington Post, "First CRISPR study inside the body to start in US," 25 July 2019 Created by Spark Therapeutics, the treatment is for people with vision loss from mutations in the gene RPE65 leading to Leber congenital amaurosis (LCA) and RP and some other conditions. Caren Chesler, Popular Mechanics, "A Vision Quest," 6 Mar. 2019 Caspian was born with a rare, inherited eye disorder called Leber congenital amaurosis, which results in the progressive deterioration of the retina, the tissue at the back of the eye that detects light and color. Sumathi Reddy, WSJ, "High Hopes for a Gene Therapy Come With Fears Over Cost," 24 Sep. 2018 Luxturna treats patients with a faulty RPE65 gene, which includes patients with Leber congenital amaurosis and retinitis pigmentosa. Sumathi Reddy, WSJ, "High Hopes for a Gene Therapy Come With Fears Over Cost," 24 Sep. 2018 But Leber congenital amaurosis is a progressive disease and with no treatment, Creed could one day be completely blind. Naseem S. Miller, OrlandoSentinel.com, "Mount Dora boy among first to receive approved gene therapy drug for eye disease," 23 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'amaurosis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of amaurosis

circa 1657, in the meaning defined above

History and Etymology for amaurosis

New Latin, from Greek amaurōsis, literally, dimming, from amauroun to dim, from amauros dim

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Time Traveler for amaurosis

Time Traveler

The first known use of amaurosis was circa 1657

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Cite this Entry

“Amaurosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amaurosis. Accessed 4 Jul. 2020.

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More Definitions for amaurosis

amaurosis

noun
am·​au·​ro·​sis | \ ˌam-ȯ-ˈrō-səs How to pronounce amaurosis (audio) \
plural amauroses\ -​ˌsēz How to pronounce amauroses (audio) \

Medical Definition of amaurosis

: partial or complete loss of sight occurring especially without an externally perceptible change in the eye

Other Words from amaurosis

amaurotic \ -​ˈrät-​ik How to pronounce amaurotic (audio) \ adjective

Comments on amaurosis

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