# Accessibility

The following preferences can be changed 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 in vertical ruler | Quick Diff shows line changes in the vertical ruler on the left hand side using colors. Enable this option to show differences additionally with characters. | Off
Use saturated colors in overview ruler | Uses saturated colors for annotations in the overview ruler on the right hand side. | Off

### Related reference

Accessibility features in textual editors