👁️ Your pupils are constantly adjusting—even when you’re not thinking about it.

👁️ Your pupils are constantly adjusting—even when you’re not thinking about it.

Bright light makes them constrict. Dim conditions make them expand, helping regulate the amount of light entering your eye. ⚡

Your body has automatic systems working everywhere.

Did you notice your pupils changing when you looked at bright light? 👀

#PupilReflex #EyeScience #VisionFacts #Neurobiology #BodySpectra