What's Normal Pupil Size and When Do Pupils Change?

There's an average pupil size that's considered normal. Measured in millimeters, your eyes' pupils can change based on light, medications, and even emotions.
There's an average pupil size that's considered normal. Measured in millimeters, your eyes' pupils can change based on light, medications, and even emotions.

Pupillary Response - an overview

Changes in pupil center location and iris shape with pupil

Unequal Pupil Sizes (Anisocoria)

How do pupils change in size with dim and bright light? - Quora

Dilated Pupils: Symptoms, Causes, and Treatment

Pupil Size Regulated by Orexin, Not Stress Hormones - Neuroscience

Pupil Dilation - an overview

Mydriasis: Causes and treatment for dilated pupils

Pupil

Abnormal Pupil Size: Causes and Symptoms