When you turn on Reduce Motion, some onscreen actions like switching apps become visually simpler, to help with motion sensitivity or to lessen strain on the eyes.

To learn more about this topic visit the following articles:
Reduce screen motion on your iPhone, iPad, or iPod touch: https://apple.co/3u8v0Rs
Use display and text size preferences on your iPhone, iPad, and iPod touch: https://apple.co/3xz4Edl
About the Accessibility Shortcut for iPhone, iPad, and iPod touch: https://apple.co/2QGDRey

Additional Resources:

Contact Apple Support for iPad: http://apple.co/iPad

To subscribe to this channel: https://www.youtube.com/c/AppleSupport

To download the Apple Support app: http://apple.co/2hFtzIv

Apple Support on Twitter: https://twitter.com/AppleSupport

For more videos, go to Youtube Apple Channel