"red eye" meaning in English

{
  "forms": [
    {
      "form": "red eyes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "red eye (countable and uncountable, plural red eyes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "red-eye"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1967 April 29, Charles Bukowski, “[Letter to Darrell Kerr]”, in On Writing, Edinburgh: Canongate Books, published 2015",
          "text": "[W]hat I am trying to explain to you is that I have rather cracked grains and that a visit from you would not solve anything, especially with a jug of red eye when my stomach is gone.",
          "type": "quotation"
        },
        {
          "ref": "2010 September, M. S. Moulds, “Three Noisy Sydney Insects – the Cicadas”, in Daniel Lunney, Pat Hutchings, Dieter Hochuli, editors, The Natural History of Sydney, Sydney, N.S.W.: Royal Zoological Society of New South Wales, image caption, page 231",
          "text": "The red eye, Psaltoda moerens, is sometimes common around Sydney where its favoured host, Angophora costata, grows. In some years populations can be immense with many thousands inhabiting just a few trees.",
          "type": "quotation"
        },
        {
          "ref": "2014, Andrew T. Raferty, Eric Lim, Andrew J. K. Östör, “Eye Disorders”, in Churchill’s Pocketbook of Differential Diagnosis, 4th edition, Churchill Livingstone, Elsevier, page 126",
          "text": "Most eye disorders tend to present as ‘red eye’. It is the single most common ophthalmic complaint encountered by general practitioners.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of red-eye"
      ],
      "id": "en-red_eye-en-noun-KiPVYU63",
      "links": [
        [
          "red-eye",
          "red-eye#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "red eye"
}

{
  "forms": [
    {
      "form": "red eyes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "red eye (countable and uncountable, plural red eyes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "red-eye"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns"
      ],
      "examples": [
        {
          "ref": "1967 April 29, Charles Bukowski, “[Letter to Darrell Kerr]”, in On Writing, Edinburgh: Canongate Books, published 2015",
          "text": "[W]hat I am trying to explain to you is that I have rather cracked grains and that a visit from you would not solve anything, especially with a jug of red eye when my stomach is gone.",
          "type": "quotation"
        },
        {
          "ref": "2010 September, M. S. Moulds, “Three Noisy Sydney Insects – the Cicadas”, in Daniel Lunney, Pat Hutchings, Dieter Hochuli, editors, The Natural History of Sydney, Sydney, N.S.W.: Royal Zoological Society of New South Wales, image caption, page 231",
          "text": "The red eye, Psaltoda moerens, is sometimes common around Sydney where its favoured host, Angophora costata, grows. In some years populations can be immense with many thousands inhabiting just a few trees.",
          "type": "quotation"
        },
        {
          "ref": "2014, Andrew T. Raferty, Eric Lim, Andrew J. K. Östör, “Eye Disorders”, in Churchill’s Pocketbook of Differential Diagnosis, 4th edition, Churchill Livingstone, Elsevier, page 126",
          "text": "Most eye disorders tend to present as ‘red eye’. It is the single most common ophthalmic complaint encountered by general practitioners.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of red-eye"
      ],
      "links": [
        [
          "red-eye",
          "red-eye#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "red eye"
}