Mon Prof Augmenté
Pupils in Bright and Dim Light
Your pupil is the black dot in the middle of your eye. It gets small in bright light and big in dim light.
This picture is part of the full library
Every lesson is open to everyone for 7 days after it is published. This one came out on September 17, 2026: its text stays readable here, and its picture opens with a subscription.
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Age 5: open this week
Browse Age 5
Examples
- Walking outside on a sunny day
- Looking around a dark room at night
Key takeaways
- Bright light makes the pupil small.
- Dim light makes the pupil big.
Carry on in the app
At least one new illustrated lesson every weekday for your child’s year, with its quiz and a reminder at 6:15 pm.
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