Meanings
- uncountableA chronic equine inflammatory eye disease.
- uncountableThe optical condition of night blindness: reduced eyesight in faint light.
The cavalry messenger dismounted after his moon blindness made it unsafe to ride on through the wilderness.
Synonyms & antonyms
nouninability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder
nounrecurrent eye inflammation in horses; sometimes resulting in blindness
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Once believed to be caused by exposure of the eyes to moonlight during sleep.
Full word history & related roots →Translations
Dutch maanoog, maanblind
- maanoogchronic, equine inflammatory eye disease
- maanblindchronic, equine inflammatory eye disease
Cite this entry
moon blindness. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/moon%20blindness
“moon blindness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/moon%20blindness. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “moon blindness,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/moon%20blindness.
Source: moon blindness on Wiktionary, CC BY-SA 4.0.