Miosis Miosis is a medical term for constriction of the pupil. It is the opposite of mydriasis. It is seen in a variety of medical conditions, and can also be caused by certain drugs and chemicals. Eye drops used to intentionally cause miosis are known as “miotics”. Extreme miosis is commonly called “pinpoint pupils”, a situation that can be caused by use of opiates. There are two types of muscle that control the size of the iris: circular muscle and radial muscle (Figures 1 and 2 ... Miosis of the eye is a condition characterized by the abnormal constriction of the pupil. This phenomenon involves a reduction in the size of the pupil. Miosis is a condition where the pupils are abnormally small, even in darkened conditions. It can be caused by trauma, infection, medication, or neurological problems. Learn how to recognize the signs and symptoms of miosis and when to seek medical help. Eye Miosis: Symptoms, Causes, Diagnosis, and Treatment Eye miosis is the constriction of the pupil, resulting in smaller-than-normal pupils. While pupil constriction is a natural response to bright light or near-focus, persistent or abnormal miosis may indicate an underlying health condition. In this article, we will explore the causes, symptoms, diagnosis, and treatment options for eye miosis, helping you understand its significance and how to manage it effectively.
