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moon blindness

noun, Veterinary Pathology.
a disease of horses in which the eyes suffer from recurring attacks of inflammation, eventually resulting in opacity and blindness.
Origin of moon blindness
First recorded in 1710-20 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for moon blindness
Historical Examples
  • One night on deck the conversation turned on moon blindness, and Loide testified to its effects.

    '19,000' Burford Delannoy
  • The lesions of the eyes may best be likened to moon blindness (periodic ophthalmia) in horses.

    Special Report on Diseases of Cattle U.S. Department of Agriculture
British Dictionary definitions for moon blindness

moon blindness

(ophthalmol) a nontechnical name for nyctalopia
(vet science) Also called mooneye. a disorder affecting horses, which causes inflammation of the eyes and sometimes blindness
Derived Forms
moon-blind, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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