Brainspotting is a tool that uses the connection between the eyes and the deeper parts of the brain to facilitate release of negative emotion that has been stored in the nervous system from painful events. The brainspotting process also builds our capacity to remain connected to positive experiences.
You can find more information here:
https://brainspotting.com/about-bsp/what-is-brainspotting/
https://www.depressionalliance.org/brainspotting/
https://www.brightontalktherapy.com/brainspotting-questions-answers/
https://www.goodtherapy.org/learn-about-therapy/types/brainspotting-therapy