# Accessibility Preference Page

The following preferences can be changed on the Accessibility page.

Option | Description | Default
--- | --- | ---
Use custom caret | This option replaces the original caret with a custom caret and shows a different caret for Overwrite and Insert mode. | On
Enable thick caret | This option 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 the differences with different characters in the line number ruler. | Off

Here is what the Accessibility preference page looks like: