This should be read in conjunction with this article from
Russia Unveils Warship-Mounted Weapon That Makes Enemies Vomit And Hallucinate
5 February, 2019
temporarily blind, become disoriented, and nauseous. Russian media reports that two Northern Fleet frigates have been fitted with the new "non-lethal dazzler-type weapon, the 5P-42 Filin (eagle-owl)" — as it's been described by the manufacturer — a "non-lethal visual-optical inference device" purportedly capable of preventing enemies from properly aiming their own weapons.
The "5P-42 Filin" Image source: Spuntik/Ruselectronic
They all had trouble aiming because they “couldn’t see the target.”
Twenty percent are said to have experienced hallucinations, described as “a ball of light moving in front of [our] eyes.” The company didn’t specify how many people participated in the tests.
A Russian Admiral Gorshkov-class frigate. Source: Russian Defense Ministry
The "non-lethal dazzler-type weapon, the 5P-42 Filin," (or eagle-owl), reported in Russian media this week.