Visual haze is defined as a distortion in the surrounding environment that makes it appear as if the air is shrouded in an imaginary cloud of smoke, fog, or haze. This effect varies in its intensity, ranging from subtle and barely visible to extreme and all-encompassing in a manner which can significantly impair a person's vision. Visual haze is often accompanied by other coinciding effects such as acuity suppression and external hallucinations. It is most commonly induced under the influence of mild dosages of hallucinogenic compounds such as psychedelics, deliriants, and cannabinoids. However, it can also occur less commonly under the influence of stimulant psychosis and sleep deprivation. Compounds within our psychoactive substance index which may cause this effect include:- Amanita muscaria- Psilocybin mushrooms