
Floaters: small lines or shapes in their vision.After-images: the outline of an object is seen on a surface after looking away.Trails: a faint trail of light following moving objects.Halos: objects have a bright ring or ‘halo’ around them.


The research, described as “groundbreaking” in a tweet by psychedelics writer Michael Pollan, aims to shed light on HPPD and bring this little-known condition to the forefront of psychedelic research. Through its fundraising efforts, the Perception Restoration Foundation is supporting two new studies on HPPD at Macquarie University and the University of Melbourne, both located in Australia. A newly launched foundation is supporting and funding scientific research on Hallucinogen Persisting Perception Disorder (HPPD), a condition less formally called “acid flashbacks”, in the hope of finding a cure for the under-researched condition.
