If it is critical to you to keep your night vision, you may want to switch the document viewer into Night Mode.
To switch to Night Mode, just follow the steps below:
iPhone
- Open the Appearance Configuration Menu as indicated in the screenshot below.
- Under Appearance select Night.
- Now it should look like that.
iPad
- Open the Appearance Configuration Menu as indicated in the screenshot below.
- Under Appearance select Night.
- Now it should look like that.
PDF Pro also supports the system-wide dark mode.