Definition

A condition where the pupil of the eye is abnormally enlarged, often due to a medical issue or the effects of certain drugs.

Example

The doctor noted mydriasis during the eye examination, which could indicate a reaction to medication.

Conversation

I went to the eye doctor today and they mentioned something called mydriasis.

Oh really? What does that mean?

It's when the pupil is dilated for a long time, often due to medication or an eye condition.

That sounds concerning! I hope everything is okay with your eyes.

Synonyms & Antonyms

Root Explanation

Mydriasis → It is formed from "mydriasis" (from Greek "mydrias" meaning dilated) and the suffix "-sis" (meaning condition or process). The word refers to the condition of having dilated pupils.

Memory Tip

Think of 'mydrias' meaning 'dilated' — so mydriasis is the condition of having dilated pupils.

Visually Confused Words