Hi,
We're sorry about the trouble with Photoshop. Would you mind sharing the macOS version you're working on?
You can try going to the Preferences for Photoshop, then Performance, then Advanced Settings for the Graphics Processor & uncheck the option for GPU compositing. Once done, relaunch Photoshop to check if that helps.
If the issue persists, you can try disabling the option Use Graphics Processor completely & then relaunching Photoshop to check if that makes a difference.
You can also try to reset the preferences of Photoshop using the steps mentioned here: https://helpx.adobe.com/photoshop/using/preferences.html#reset_preferences
Please backup your settings prior to resetting the preferences. You can check: https://helpx.adobe.com/photoshop/using/preferences.html#BackupPhotoshoppreferences
Let us know how it goes!
Regards,
Nikunj