Miosis the medical term for having small, pinpoint pupils. Treating miosis requires finding and treating the cause of the miosis.

Miosis, or myosis (from Ancient Greek μύειν (múein) 'to close the eyes'), is excessive constriction of the pupil. [1][2][3][4] The opposite condition, mydriasis, is the dilation of the pupil.

Oct 9, 2024 · A variety of things can cause miosis. Learn about the different causes, symptoms, and treatment options available to you.

Feb 7, 2025 · When your pupil shrinks (constricts), it's called miosis. If your pupils stay small even in dim light, it can be a sign that things in your eye aren't working the way they should.

Dec 12, 2025 · "Miosis" is a medical term that describes the constriction of the pupils. Learn its causes, symptoms, and how to treat it.

May 17, 2025 · Miosis is characterized by the excessive constriction of the eye’s opening, resulting in a diameter of less than 2 millimeters. This condition can manifest in one or both eyes and serves as a …

Jan 26, 2021 · Miosis occurs when the pupil of your eye shrinks and becomes very small, like a pinpoint. It may be caused by medications, injury, illness and even aging.

Jul 21, 2025 · Miosis is the medical term for the constriction of the pupil, the black circle in the center of the eye. This size change is controlled by muscles within the iris, the colored part of your eye.

Oct 28, 2022 · Miosis refers to when pupils constrict more than necessary. Your pupils may shrink too much or unnecessarily due to a health condition, substance intake, or the aging process.

Oct 16, 2023 · There are several factors that can lead to miosis, including neurological conditions, medications, eye injuries, or exposure to certain substances. Understanding the causes and …