iPhone app VisionGuard

With the latest machine learning technology, this app can protect your eyes from the desktop in just three easy steps:

1.
Set the learning time

2.
Place the phone on your desktop and place it directly opposite you.

3.
Follow the prompts and keep the correct posture for 3 seconds.
The app will remember your correct posture position.

As long as your head is below your correct posture range, the app will prompt you with a sound.
You can also set the sensitivity of the test by double-clicking on the screen during the test.
The app provides three sensitivity (sensitive, normal, and tolerant) to suit different peoples learning habits.,

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