This goes into sensory deprivation / control. With simple contact lenses, one could inhibit the eyesight of the wearer, or even make them completely blind. This, of course, can be taken further into high-tech stuff, by making the lenses displays. That way, someone else can control exactly what the wearer is actually seeing right now, without the wearer actually being able to look away, as they are directly on top of their eyeballs. More Details
The Exiled by SJ-Reid
The Exiled is a long science-fiction fetish story by SJ Reid, based on Eudeamon by Evil-Dolly. This work follows Hayley, a very popular singer and celebrity, visiting Vega IV for the first time on her interplanetary live tour. She was one of the first musicians to ever visit so many planets, and with Vega IV, she had finally fulfilled another goal she had had for quite some time. Because Vega IV was somewhat special because it’s very similar to earth with even a breathable atmosphere. Hayley had always wanted to visit a planet without any special equipment and just breathe in the planet’s air. ...