Jul 26, 2025 · Dilated pupils (mydriasis) occur when the pupils open larger than usual. This normally happens in darker lighting to allow more light into the eye, but dilated pupils can also …

Jan 4, 2022 · Dilated pupils (mydriasis) are when the black center of your eyes are larger than normal. The condition may be caused by dilating eye drops from an eye exam, the side effects …

Jul 1, 2024 · What makes your pupils stay open, or dilated? WebMD explains the causes, and what to do if you have dilated pupils.

Mar 21, 2024 · When you have dilated pupils, they will stay enlarged even in bright light. What Causes Dilated Pupils? Sometimes, your pupils will dilate based on certain medications and …

Oct 3, 2025 · Learn what it means to have dilated pupils (dilated eyes), what can cause pupils to dilate, and the possible treatment.

Normally, as part of the pupillary light reflex, the pupil dilates in the dark and constricts in the light to respectively improve vividity at night and to protect the retina from sunlight damage during …

May 5, 2023 · If you notice a sudden change to one or both pupils, or if you observe that your pupils frequently stay dilated, you should contact your primary care physician or …

May 23, 2025 · Dilated pupils, also known as mydriasis, occur when the pupil, the black circular opening in the center of the eye, expands beyond its normal size. This dilation is controlled by …

Jul 10, 2023 · When someone’s pupils dilate in an unusual way, it is called mydriasis. This may be caused by an injury, psychological factors, or when someone takes certain drugs or …

Dec 29, 2023 · Trauma to the brain or eye can cause dilated pupils. Typically, blunt closed trauma damages the iris sphincter muscle, or one of the pathways in the brain that controls it. These …