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Eyeball Action
The Operation Ouch! 3D cinema is open! But how do you see the world in three dimensions? Find out as the Doctors reveal the incredible eye muscles that control how you focus on things close-up and far away.
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Other episodes for this season
![Explosive Spots!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Feeling Nervous!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![In a Spin!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Snot-Tacular!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Eyeball Action](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Cracking Crystals](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Don't Cry This at Home](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Who's Getting Snotted?](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Man V Monkey](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Ask Us Anything!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![What a Pong!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Rules are Rules!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Not Eating in the Lab!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![We Are Superheroes!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Happy Birthday NHS!](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)