ClearView.

This app shows an overlay (always on top window) showing a color chosen by you which dims the screen or filters its colors. This may help a night to relax your eyes as most computer screens are to bright and could permantly damage your eyes when staring at it to long while it’s dark around you.

This app intended to improve user experience for people, primarily with dyslexia, and other vision impairments by providing a colour overlay and draggable underliner tool.