diff --git a/RoomsEyeView/Logic/vtkMRMLRoomsEyeViewNode.cxx b/RoomsEyeView/Logic/vtkMRMLRoomsEyeViewNode.cxx
index d630ec78..fda9268a 100644
--- a/RoomsEyeView/Logic/vtkMRMLRoomsEyeViewNode.cxx
+++ b/RoomsEyeView/Logic/vtkMRMLRoomsEyeViewNode.cxx
@@ -72,7 +72,7 @@ vtkMRMLNodeNewMacro(vtkMRMLRoomsEyeViewNode);
 vtkMRMLRoomsEyeViewNode::vtkMRMLRoomsEyeViewNode()
   : PatientBodySegmentID(nullptr)
   , TreatmentMachineDescriptorFilePath(nullptr)
-  , CollisionDetectionEnabled(true)
+  , CollisionDetectionEnabled(false)
   , GantryRotationAngle(0.0)
   , CollimatorRotationAngle(0.0)
   , ImagingPanelMovement(-68.50)
diff --git a/RoomsEyeView/Resources/UI/qSlicerRoomsEyeViewModule.ui b/RoomsEyeView/Resources/UI/qSlicerRoomsEyeViewModule.ui
index ab22c3ac..09c061c3 100644
--- a/RoomsEyeView/Resources/UI/qSlicerRoomsEyeViewModule.ui
+++ b/RoomsEyeView/Resources/UI/qSlicerRoomsEyeViewModule.ui
@@ -258,7 +258,7 @@
       <item row="2" column="0" colspan="3">
        <widget class="QLabel" name="CollisionDetectionStatusLabel">
         <property name="text">
-         <string>No collisions detected.</string>
+         <string>Collision computation disabled</string>
         </property>
        </widget>
       </item>
@@ -278,14 +278,21 @@
         </property>
        </spacer>
       </item>
-      <item row="0" column="0">
+      <item row="0" column="0" colspan="2">
+       <widget class="QCheckBox" name="ActivateCollisionComputationCheckBox">
+        <property name="text">
+         <string>Enable computation</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="0">
        <widget class="QLabel" name="label_7">
         <property name="text">
          <string>Patient body:</string>
         </property>
        </widget>
       </item>
-      <item row="0" column="1">
+      <item row="1" column="1">
        <widget class="qMRMLSegmentSelectorWidget" name="SegmentSelectorWidget_PatientBody" native="true">
         <property name="noneEnabled" stdset="0">
          <bool>true</bool>
diff --git a/RoomsEyeView/qSlicerRoomsEyeViewModuleWidget.cxx b/RoomsEyeView/qSlicerRoomsEyeViewModuleWidget.cxx
index e1376fc0..3ea99d6b 100644
--- a/RoomsEyeView/qSlicerRoomsEyeViewModuleWidget.cxx
+++ b/RoomsEyeView/qSlicerRoomsEyeViewModuleWidget.cxx
@@ -392,6 +392,9 @@ void qSlicerRoomsEyeViewModuleWidget::setup()
   // 3D camera control
   connect(d->FixedCameraCheckBox, SIGNAL(toggled(bool)), this, SLOT(setFixedReferenceCameraEnabled(bool)));
 
+  // Collision detection control
+  connect(d->ActivateCollisionComputationCheckBox, SIGNAL(toggled(bool)), this, SLOT(setCollisionComputationEnabled(bool)));
+
   // Disable treatment machine geometry controls until a machine is loaded
   d->GantryRotationSlider->setEnabled(false);
   d->CollimatorRotationSlider->setEnabled(false);
@@ -1004,7 +1007,7 @@ void qSlicerRoomsEyeViewModuleWidget::checkForCollisions()
   Q_D(qSlicerRoomsEyeViewModuleWidget);
 
   vtkMRMLRoomsEyeViewNode* paramNode = vtkMRMLRoomsEyeViewNode::SafeDownCast(d->MRMLNodeComboBox_ParameterSet->currentNode());
-  if (!paramNode || !d->ModuleWindowInitialized)
+  if (!paramNode || !d->ModuleWindowInitialized|| !paramNode->GetCollisionDetectionEnabled())
   {
     return;
   }
@@ -1093,3 +1096,14 @@ void qSlicerRoomsEyeViewModuleWidget::setFixedReferenceCameraEnabled(bool toggle
   }
   cameraNode->SetAndObserveTransformNodeID(nullptr);
 }
+
+//-----------------------------------------------------------------------------
+void qSlicerRoomsEyeViewModuleWidget::setCollisionComputationEnabled(bool toggled)
+{
+  Q_D(qSlicerRoomsEyeViewModuleWidget);
+  vtkMRMLRoomsEyeViewNode* paramNode = vtkMRMLRoomsEyeViewNode::SafeDownCast(d->MRMLNodeComboBox_ParameterSet->currentNode());
+  paramNode->SetCollisionDetectionEnabled(toggled);
+  QString collisionsMessage(toggled ? tr("Collision computation enabled") : tr("Collision computation disabled"));
+  d->CollisionDetectionStatusLabel->setText(collisionsMessage);
+  d->CollisionDetectionStatusLabel->setStyleSheet("color: black");
+}
diff --git a/RoomsEyeView/qSlicerRoomsEyeViewModuleWidget.h b/RoomsEyeView/qSlicerRoomsEyeViewModuleWidget.h
index 70e80595..8ba71d9a 100644
--- a/RoomsEyeView/qSlicerRoomsEyeViewModuleWidget.h
+++ b/RoomsEyeView/qSlicerRoomsEyeViewModuleWidget.h
@@ -68,6 +68,7 @@ public slots:
   void updateTreatmentOrientationMarker();
 
   void setFixedReferenceCameraEnabled(bool);
+  void setCollisionComputationEnabled(bool);
 
 protected slots:
   void onLoadTreatmentMachineButtonClicked();