diff --git a/SQF/dayz_code/actions/pzombie/pz_vision.sqf b/SQF/dayz_code/actions/pzombie/pz_vision.sqf
index 376391592..ab3f356da 100644
--- a/SQF/dayz_code/actions/pzombie/pz_vision.sqf
+++ b/SQF/dayz_code/actions/pzombie/pz_vision.sqf
@@ -51,7 +51,7 @@ while { aperture < _oldAperture } do
 {
 	aperture = aperture + 0.0005;
 	setAperture aperture;
-	uiSleep 0.001;
+	//uiSleep 0.001;
 };
 
 player setVariable ["NV", ["ON", _oldAperture]];