Dilated pupils in cats can be a sign of iris atrophy or a more serious underlying condition. Here’s how to know when to seek ...

Usually, your pupils dilate and constrict together and are the same size as each other. Unequal pupils happen when one pupil is not reacting to light as it should. If the iris muscle is paralyzed ...

Opioids usually make a person’s pupils constrict. This is when the black part at the center of the eye gets smaller, reducing the amount of light that gets inside. Typically, pupil constriction ...

Dilated pupils, or pupils that are larger than normal, have many causes. Injury, a medical condition, or drug use are a few causes of this condition. (Photo Credit: Moment/Getty Images) ...

The medical term for pupils of different sizes is anisocoria. Find out about the possible causes of anisocoria here, as well as when to seek emergency treatment.

Small, constricted pupils can be a side effect of opioid use. Learn about other signs to watch for and how to bring up your concerns in a helpful, compassionate way.

Highway 520 lane squeeze will constrict weekend traffic . Feb. 21, 2025 at 5:14 pm Updated Feb. 21, 2025 at 6:14 pm . By . Mike Lindblom. Seattle Times staff reporter.

Meet two women with unusual ways of experiencing the world: One cannot revisualize people or events, while the other may imagine too much.

Elongated pupils, for example, can constrict more than those that are circular in shape. Generally, the pupil is circular when dilated in scotopic (low-light) conditions to allow for more light.

New pupillometry research reveals how post-traumatic stress disorder (PTSD) may affect both branches of the autonomic nervous system. By measuring how someone's pupils dilate and constrict in ...

Doctors will check patients’ pupils to see if they’ve had a stroke. Doodeez. However, it is not just light that our pupils respond to. It’s also well established that our pupils constrict ...