amaurosis

noun am·au·ro·sis \ ˌa-mȯ-ˈrō-səs \

Definition of amaurosis

plural amauroses play \-ˌsēz\

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

—

amaurotic

play \-ˈrä-tik\ adjective

Recent Examples of amaurosis from the Web

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
Luxturna was designed to address the RPE65 genetic mutation — in the best cases, permanently — for patients who have RPE65-associated retinitis pigmentosa or leber congenital amaurosis.

— julia belluz, Vox, "Doctors just used a brand new gene therapy to try to save a child’s vision," 22 Mar. 2018
The boy, Creed Pettit, has a rare retinal disease called Leber congenital amaurosis.

— kate sheridan, Newsweek, "Blind Boy Might Be Able to See Again After New Breakthrough Gene Therapy Surgery," 21 Mar. 2018
Spark’s therapy is for Leber congenital amaurosis, a defect in a gene called RPE65.

— linda loyd, Philly.com, "FDA approves Spark's gene therapy for rare blindness pioneered at CHOP," 19 Dec. 2017
Eye doctors, parents and patients were unanimous in their support of approving the treatment, which would be aimed at the one in a million children with a specific genetic defect that causes Leber congenital amaurosis, or LCA for short.

— maggie fox, NBC News, "FDA Panel Advises Approval of Gene Therapy for Blinding Disease," 12 Oct. 2017
On Thursday, an FDA advisory panel gave the green light for the therapy, which can improve the vision of people with a rare genetic disorder called Leber's congenital amaurosis (LCA).

— CBS News, "Why FDA's approval of a gene therapy to treat form of blindness is such a big deal," 12 Oct. 2017
There are actually many kinds of retinal dystrophies, including Leber congenital amaurosis and retinitis pigmentosa.

— kate sheridan, Newsweek, "Gene Therapy: How a New Cure for Blindness Reverses Retinal Dystrophy," 12 Oct. 2017
Children with the dysfunctional gene often are diagnosed at an early age with disorders such as Leber congenital amaurosis or retinitis pigmentosa.

— laurie mcginley, Washington Post, "FDA advisers urge approval for first gene therapy for inherited disease," 12 Oct. 2017

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.

Origin and Etymology of amaurosis

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

NEW! Time Traveler

First Known Use: circa 1657

in the meaning defined above

See Words from the same year

Medical Dictionary

amaurosis

noun am·au·ro·sis \ ˌam-ȯ-ˈrō-səs \

medical Definition of amaurosis

plural amauroses play \-ˌsēz\

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

—

amaurotic

play \-ˈrät-ik\ adjective

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amaurosis

Definition of amaurosis

amaurotic

Recent Examples of amaurosis from the Web

Origin and Etymology of amaurosis

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amaurosis

medical Definition of amaurosis

amaurotic

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amaurosis

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amaurotic

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amaurosis

medical Definition of amaurosis

amaurotic

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