Table 2.

Main categories of customization options and modifiable features in CHIMs.

Main customization categories	Modifiable features
Language customization	Language of content Language of subtitles
Text customization	Font and background: Font (style, size, color, opacity) Text background (color, opacity) Text field (color, opacity) Text spacing Character edge style Screen masking (highlighting the reading lines and shading the rest of the text) Subtitles (show/hide)
	Text-to-speech: Read aloud only Read-aloud text highlighted Automatic scrolling of read-aloud text Reading speed Reading volume
Audiovisual customization	Playback speed Audio transcription
Presentation customization	Type of presentation (same information presented in different ways, e.g., textual, tabular, graphical or audiovisual)
Medical content customization	Level of detail of content Prioritization of content