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  1. Anisocoria (Unequal Pupil Size): Symptoms & Causes

    Mar 11, 2024 · Anisocoria is the medical name for your pupils being of different sizes. It’s usually a temporary issue, but it can be a sign that something inside your body is seriously wrong.

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  2. What Is Anisocoria? - American Academy of Ophthalmology

    Jul 9, 2025 · Anisocoria is when your eye’s pupils are not the same size. The pupil allows light to enter the eye so that you can see. Anyone can have pupils that differ in size with no problems. In fact, 20 …

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  3. What is Anisocoria? - WebMD

    May 29, 2024 · Anisocoria is when the pupils of your eyes are unequal in size. Learn about the causes, dangers, and treatment of this condition.

  4. Anisocoria - EyeWiki

    Anisocoria indicates unequal pupil sizes. It is relatively common, and causes vary from benign physiologic anisocoria to potentially life-threatening emergencies. Thus, thorough clinical evaluation …

  5. What Is Anisocoria: Causes and Treatments - Vision Center

    Oct 28, 2024 · Simple anisocoria, also known as physiologic or essential, is the most frequent cause of uneven pupil sizes. This particular type can affect up to 20% of the population, and it’s benign.

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  6. Anisocoria - Wikipedia

    Anisocoria is a condition characterized by an unequal size of the eyes' pupils. Affecting up to 20% of the population, anisocoria is often entirely harmless, but can be a sign of more serious medical problems.

  7. Anisocoria | North American Neuro-Ophthalmology Society

    Anisocoria cannot make you go blind. Though many causes of anisocoria are benign and some people only notice some blurry vision and/or light sensitivity, it can be a sign of a serious and potentially life …

  8. ANISOCORIA Definition & Meaning | Merriam-Webster Medical

    Dec 10, 2025 · The meaning of ANISOCORIA is inequality in the size of the pupils of the eyes.

  9. Anisocoria - Causes, Symptoms, Diagnosis, and Treatment

    Apr 25, 2025 · Anisocoria is a condition characterized by unequal pupil sizes in the eyes. While it may seem like a minor issue, anisocoria can be a significant indicator of underlying health problems.

  10. Anisocoria: Symptoms, Causes, and Treatment - Healthline

    Jul 23, 2019 · Anisocoria is a condition in which the pupil of one eye differs in size from the pupil of the other eye. Your pupils are the black circles in the center of your eyes. They are usually the same...

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