# Accessibility preference page

You can change the following preferences on the General > Editors > Text Editors > Accessibility preference page:

Option | Description | Default
--- | --- | ---
Use custom caret | Replaces the original caret (the marker that indicates where the next character will appear) with a custom caret and shows a different caret for Overwrite and Insert modes. | On
Enable thick caret | Replaces the original caret with a more visible, thicker caret. | On
Use characters to show changes on line number bar | Quick Diff shows the changes in a vertical ruler using colors. Color-blind persons can enable this option to show differences with different characters in the line number ruler. | Off

The Accessibility preference page: