"double vision" meaning in English

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      "expansion": "double vision (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Vision",
          "orig": "en:Vision",
          "parents": [
            "Senses",
            "Perception",
            "Body",
            "Human",
            "All topics",
            "Fundamental"
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      ],
      "glosses": [
        "A disorder of vision in which a single object is seen as two."
      ],
      "id": "en-double_vision-en-noun-jlVZAFdc",
      "links": [
        [
          "disorder",
          "disorder"
        ],
        [
          "vision",
          "vision"
        ],
        [
          "single",
          "single"
        ],
        [
          "two",
          "two"
        ]
      ],
      "related": [
        {
          "word": "double"
        }
      ],
      "synonyms": [
        {
          "word": "diplopia"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "disorder",
          "word": "複視"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "fùshì",
          "sense": "disorder",
          "word": "复视"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "disorder",
          "word": "kahtena näkeminen"
        },
        {
          "code": "ga",
          "lang": "Irish",
          "sense": "disorder",
          "tags": [
            "masculine"
          ],
          "word": "amharc dúbailte"
        },
        {
          "code": "gv",
          "lang": "Manx",
          "sense": "disorder",
          "tags": [
            "masculine"
          ],
          "word": "aareayrtys"
        }
      ]
    }
  ],
  "word": "double vision"
}

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "double"
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      "glosses": [
        "A disorder of vision in which a single object is seen as two."
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      "links": [
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          "disorder",
          "disorder"
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        [
          "vision",
          "vision"
        ],
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          "single",
          "single"
        ],
        [
          "two",
          "two"
        ]
      ],
      "tags": [
        "uncountable"
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  ],
  "synonyms": [
    {
      "word": "diplopia"
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "disorder",
      "word": "複視"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "fùshì",
      "sense": "disorder",
      "word": "复视"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "disorder",
      "word": "kahtena näkeminen"
    },
    {
      "code": "ga",
      "lang": "Irish",
      "sense": "disorder",
      "tags": [
        "masculine"
      ],
      "word": "amharc dúbailte"
    },
    {
      "code": "gv",
      "lang": "Manx",
      "sense": "disorder",
      "tags": [
        "masculine"
      ],
      "word": "aareayrtys"
    }
  ],
  "word": "double vision"
}