Guys who got dp very hard as tunnel vision, try to check your ears for problem, ear problem shit is really hardcore, many traditional doctors suspect that many people who suffer from dp might have ear problem like lebranthytis which gives anxiety, depression, out of body experience, vertigo, dizziness, check it yourself and also this
http://www.audiologicaldiagnostics.com/labyrinthitis
or they might have csf leak.
http://www.audiologicaldiagnostics.com/labyrinthitis
or they might have csf leak.