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Anisocoria - 瞳孔不等大
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https://www.youtube.com/watch?v=SVDdtkcc8Rg 来源：YouTube，OUI Inc. Anisocoria, characterized by unequal pupil sizes, can be caused by a variety of factors, ranging from benign to life-threatening. Common causes include: Physiologic Anisocoria: The most frequent cause, affecting up to 20% of people. It's benign, with less than 1 mm difference in pupil size and equal in light and dark conditions. Congenital Anomalies: Such as aniridia, coloboma, and ectopic pupil, affecting pupil sizes and shapes from childhood. Mechanical Anisocoria: Caused by physical damage to the iris or its structures due to trauma, surgery, inflammation, glaucoma, or intraocular tumors. Pharmacologic Anisocoria: Resulting from drugs affecting pupillary muscles, like anticholinergics causing dilation and sympathomimetics leading to constriction. Horner’s Syndrome: Characterized by ptosis, miosis, and anhidrosis, with anisocoria being more pronounced in the dark due to sympathetic pathway lesions. Adie Tonic Pupil: A condition where the pupil is abnormally large and reacts slowly, often affecting young women and possibly linked to other systemic issues. Oculomotor Nerve Palsy: Can lead to mydriasis along with other symptoms like ptosis and “down and out” gaze. It’s often due to compressive lesions. Trigeminal Autonomic Cephalalgias: These include primary headache disorders with unilateral head pain and autonomic symptoms, possibly causing anisocoria. Autoimmune Autonomic Ganglionopathy: A disorder where autoantibodies target autonomic ganglia, affecting sympathetic and parasympathetic systems and possibly leading to anisocoria. In conclusion, anisocoria can result from a range of etiologies, making thorough clinical evaluation crucial for accurate diagnosis and management. This video was recorded by Smart Eye Camera.
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