noun
- abnormal or excessive dilation of the pupil of the eye
Usage: medical term; can be caused by drugs, disease, or injury
Examples
- The patient's mydriasis was a sign of increased intracranial pressure.
- Certain medications can cause mydriasis as a side effect.
- The ophthalmologist noted mydriasis in both eyes during the examination.
- Mydriasis may occur after a head injury.
- The drug caused temporary mydriasis that lasted several hours.