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{
    "pk": 1316,
    "title": "Benign Episodic Mydriasis as a Cause of Isolated Anisocoria",
    "subtitle": null,
    "abstract": "<b>Case Presentation:</b> A 22-year-old female presented to the emergency department with a dilated right pupil and mild blurry vision. Physical examination revealed a dilated, sluggishly reactive right pupil, without other ophthalmic or neurologic abnormalities. Neuroimaging was normal. The patient was diagnosed with unilateral benign episodic mydriasis (BEM).&nbsp;<p><br></p><p><b>Discussion: </b>BEM is a rare cause of acute anisocoria with an underlying pathophysiology that is not well understood. The condition has a female predominance and is associated with a personal or family history of migraine headaches. It is a harmless entity that resolves without intervention and results in no known permanent damage to the eye or visual system. Benign episodic mydriasis is a diagnosis of exclusion that may be considered only after the life- and eyesight-threatening causes of anisocoria.&nbsp;&nbsp;</p>",
    "language": null,
    "license": {
        "name": "Creative Commons Attribution 4.0",
        "short_name": "CC BY 4.0",
        "text": "Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.\r\n\r\nNo additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.",
        "url": "https://creativecommons.org/licenses/by/4.0"
    },
    "keywords": [
        {
            "word": "benign episodic mydriasis; anisocoria; migraine headache"
        }
    ],
    "section": "Images in Emergency Medicine",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/0h57n283",
    "frozenauthors": [
        {
            "first_name": "Alyssa",
            "middle_name": "",
            "last_name": "Seibold",
            "name_suffix": "",
            "institution": "Vanderbilt University Medical Center, Department of Emergency Medicine, Nashville, Tennessee",
            "department": ""
        },
        {
            "first_name": "Jonathan",
            "middle_name": "",
            "last_name": "Barnett",
            "name_suffix": "",
            "institution": "Vanderbilt University Medical Center, Department of Ophthalmology and Visual Sciences, Nashville, Tennessee",
            "department": ""
        },
        {
            "first_name": "Lawrence",
            "middle_name": "",
            "last_name": "Stack",
            "name_suffix": "",
            "institution": "Vanderbilt University Medical Center, Department of Emergency Medicine, Nashville, Tennessee",
            "department": ""
        },
        {
            "first_name": "Charles",
            "middle_name": "",
            "last_name": "Lei",
            "name_suffix": "",
            "institution": "Vanderbilt University Medical Center, Department of Emergency Medicine, Nashville, Tennessee",
            "department": ""
        }
    ],
    "date_submitted": "2023-04-13T04:08:06.091000+02:00",
    "date_accepted": "2023-04-13T04:27:42.981000+02:00",
    "date_published": "2023-05-31T18:00:00+02:00",
    "render_galley": null,
    "galleys": [
        {
            "label": "PDF",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/uciem_cpcem/article/1316/galley/1016/download/"
        }
    ]
}