Change Zoom advanced options for accessibility on Mac
On your Mac, use the Zoom options of Accessibility Zoom preferences to set appearance and control options for the selected zoom style (Full screen, Split screen, or Picture-in-picture).
To change these preferences, choose Apple menu > System Preferences, click Accessibility, click Zoom, then click Advanced.
Zoom appearance options
Continuously with pointer
Make the screen image move with the pointer.
Only when the pointer reaches an edge
Prevent the screen image from moving until you move the pointer to an edge of the screen.
So the pointer is at or near the center of the zoomed image
Keep the center point of the screen image near the pointer.
Restore zoom factor on startup
Apply the current zoom factor whenever you turn on zoom or start up your Mac.
While using the Split screen or Picture-in-picture zoom style, invert the colors of the contents in the window. If the screen shows black on white, the zoom window shows white on black.
Make zoomed screen images appear smooth.
Flash screen when notification banner appears outside zoom view
Flash the screen when a notification arrives if the upper-right corner of the screen isn’t shown in the zoom area.
Follow keyboard focus
Magnify the area that has the keyboard focus.
Keep zoom window stationary
While using the Picture-in-picture zoom style, keep the zoom window in one location on the screen.
Adjust size and location
While using the Split screen or Picture-in-picture zoom style, change the size and position of the zoom area or window.
If you select the option in the Controls pane to use keyboard shortcuts to adjust the zoom window, you can easily resize and reposition the window while working:
Zoom controls options
Hold to temporarily toggle zoom
Temporarily zoom in or out on the screen when you press and hold the Control and Option keys at the same time.
Hold to temporarily detach zoom view from pointer
If the screen is zoomed in, making it difficult to see information displayed under the pointer, press and hold the Control and Command keys at the same time to hide the pointer and move the zoom view without changing the location of the pointer.
Hold F to toggle between full screen and picture-in-picture zoom
Press and hold the Control and Command keys at the same time to switch between zoom styles.
Use keyboard shortcuts to adjust zoom window
Select the checkbox to be able to change the size and position of the zoom window while working using the indicated keyboard shortcuts.
Use trackpad gesture to zoom
Select the checkbox to be able to zoom using the indicated trackpad gestures.
Maximum Zoom, Minimum Zoom
Drag a slider to set the maximum or minimum level of magnification.