Whenever you use your phone, you should adjust the brightness, contrast and font size depending on the ambient light conditions. By adjusting the contract brightness with the phone screen brightness, you can prevent eye damage. You can use third-party apps with the phone’s auto-tuning system to do this. There are many apps for Android and iPhone that automatically adjust Brightness and Contrast.

Avoid staring at your phone screen for long periods of time in low light conditions, and do not use your phone in the dark. The font size on your phone should be large. This allows you to easily find what you are looking for, reducing the need to focus on your phone and reducing the need for close-ups.

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