Current eye research · 2014
The decrease in aqueous tear production associated with pepper spray.
СтатьяНазвание и аннотация: Перевод в очереди
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Rasier Rifat, Kukner Amber Senel, Sengul Elvan Alper, Yalcin Nazli Gul, Temizsoylu Onur, Bahcecioglu Halil Onder
Аннотация
PURPOSE: Pepper spray is used both by civilians and by law enforcement. Burning sensation occurs when exposed to skin, pain and temporary blindness occurs when exposed to the eyes. This study focused on the effect of pepper spray on lacrimal tear production and subsequently on corneal sensitivity in a large group after an intense exposure.
METHODS: Ninety-six people who were exposed to pepper spray during the Gezi park protests volunteered. Subjects were asked if they wore any protective goggles and if they irrigated their eyes after exposure. They were asked to record their symptoms regarding dry eye in a standardized questionnaire. Schirmer I and II tests were performed.
RESULTS: Eighty-two people wore protective goggles during exposure, whereas 14 people did not have any protection. Both Schirmer results in unprotected subjects were significantly lower than that in protected subjects. Schirmer I and II results of unprotected subjects were not statistically different, whereas they were statistically different in protected subjects. Thirty-five percent of unprotected subjects and 24% of protected subjects expressed symptoms of dry eye.
DISCUSSION: The active ingredient of pepper spray is oleoresin capsicum. It is randomly diffused to polymodal nerve terminals, leading to opening of non-selective cationic channels and block neuronal transmission. The lower results of both Schirmer in unprotected group emphasize the importance of a protective Google glass around the eyes during exposal, serving as a barrier minimalizing the contact of the spray with the eyes. The combination of the low results and lack of symptoms could suggest that corneal reflex lacrimation in our subjects was not abundant enough. The findings of this study could not fully represent long term findings but it could be assumed that our findings could be indicative of the sensory denervation and alterations demonstrated in studies investigating the long term effects of oleoresin capsicum.
METHODS: Ninety-six people who were exposed to pepper spray during the Gezi park protests volunteered. Subjects were asked if they wore any protective goggles and if they irrigated their eyes after exposure. They were asked to record their symptoms regarding dry eye in a standardized questionnaire. Schirmer I and II tests were performed.
RESULTS: Eighty-two people wore protective goggles during exposure, whereas 14 people did not have any protection. Both Schirmer results in unprotected subjects were significantly lower than that in protected subjects. Schirmer I and II results of unprotected subjects were not statistically different, whereas they were statistically different in protected subjects. Thirty-five percent of unprotected subjects and 24% of protected subjects expressed symptoms of dry eye.
DISCUSSION: The active ingredient of pepper spray is oleoresin capsicum. It is randomly diffused to polymodal nerve terminals, leading to opening of non-selective cationic channels and block neuronal transmission. The lower results of both Schirmer in unprotected group emphasize the importance of a protective Google glass around the eyes during exposal, serving as a barrier minimalizing the contact of the spray with the eyes. The combination of the low results and lack of symptoms could suggest that corneal reflex lacrimation in our subjects was not abundant enough. The findings of this study could not fully represent long term findings but it could be assumed that our findings could be indicative of the sensory denervation and alterations demonstrated in studies investigating the long term effects of oleoresin capsicum.