Topic summary
Supertitle

Extracted from the Wikipedia article Surtitles.
Surtitling smart glasses
The system was the subject of a study which was later published by the French Ministry of Culture. The device became commercially available the following year and was tested by several houses, such as the Paris Opera. The Theatre Times' test user report that: "Supertitles are displayed on the lenses during the performance so that you can concentrate more on what is happening on the stage rather than reading supertitles."