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: