"moon blindness" meaning in English

{
  "etymology_text": "Once believed to be caused by exposure of the eyes to moonlight during sleep.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "moon blindness (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A chronic equine inflammatory eye disease."
      ],
      "id": "en-moon_blindness-en-noun-dryS2mc9",
      "links": [
        [
          "chronic",
          "chronic"
        ],
        [
          "equine",
          "equine"
        ],
        [
          "inflammatory",
          "inflammatory"
        ],
        [
          "eye",
          "eye"
        ],
        [
          "disease",
          "disease"
        ]
      ],
      "tags": [
        "uncountable"
      ],
      "translations": [
        {
          "_dis1": "99 1",
          "code": "nl",
          "lang": "Dutch",
          "sense": "chronic, equine inflammatory eye disease",
          "tags": [
            "neuter"
          ],
          "word": "maanoog"
        },
        {
          "_dis1": "99 1",
          "code": "nl",
          "lang": "Dutch",
          "sense": "chronic, equine inflammatory eye disease",
          "word": "maanblind"
        }
      ]
    },
    {
      "categories": [
        {
          "_dis": "30 70",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "15 85",
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "16 84",
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        {
          "_dis": "10 90",
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        },
        {
          "_dis": "12 88",
          "kind": "other",
          "name": "Terms with Dutch translations",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "The cavalry messenger dismounted after his moon blindness made it unsafe to ride on through the wilderness.",
          "type": "example"
        }
      ],
      "glosses": [
        "The optical condition of night blindness: reduced eyesight in faint light."
      ],
      "id": "en-moon_blindness-en-noun-aJ1YrXG8",
      "links": [
        [
          "optical",
          "optical"
        ],
        [
          "condition",
          "condition"
        ],
        [
          "night blindness",
          "night blindness"
        ]
      ],
      "related": [
        {
          "_dis1": "2 98",
          "word": "moon-blind"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "moon blindness"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English uncountable nouns",
    "Entries with translation boxes",
    "Pages with 1 entry",
    "Pages with entries",
    "Terms with Dutch translations"
  ],
  "etymology_text": "Once believed to be caused by exposure of the eyes to moonlight during sleep.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "moon blindness (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "moon-blind"
    }
  ],
  "senses": [
    {
      "glosses": [
        "A chronic equine inflammatory eye disease."
      ],
      "links": [
        [
          "chronic",
          "chronic"
        ],
        [
          "equine",
          "equine"
        ],
        [
          "inflammatory",
          "inflammatory"
        ],
        [
          "eye",
          "eye"
        ],
        [
          "disease",
          "disease"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    },
    {
      "categories": [
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "The cavalry messenger dismounted after his moon blindness made it unsafe to ride on through the wilderness.",
          "type": "example"
        }
      ],
      "glosses": [
        "The optical condition of night blindness: reduced eyesight in faint light."
      ],
      "links": [
        [
          "optical",
          "optical"
        ],
        [
          "condition",
          "condition"
        ],
        [
          "night blindness",
          "night blindness"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "translations": [
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "chronic, equine inflammatory eye disease",
      "tags": [
        "neuter"
      ],
      "word": "maanoog"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "chronic, equine inflammatory eye disease",
      "word": "maanblind"
    }
  ],
  "word": "moon blindness"
}