diff --git a/lib/crop/croptool.h b/lib/crop/croptool.h
--- a/lib/crop/croptool.h
+++ b/lib/crop/croptool.h
@@ -55,6 +55,7 @@
     void mousePressEvent(QGraphicsSceneMouseEvent*) override;
     void mouseMoveEvent(QGraphicsSceneMouseEvent*) override;
     void mouseReleaseEvent(QGraphicsSceneMouseEvent*) override;
+    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event) override;
     void hoverMoveEvent(QGraphicsSceneHoverEvent*) override;
     void keyPressEvent(QKeyEvent*) override;
 
diff --git a/lib/crop/croptool.cpp b/lib/crop/croptool.cpp
--- a/lib/crop/croptool.cpp
+++ b/lib/crop/croptool.cpp
@@ -402,6 +402,16 @@
     imageView()->update();
 }
 
+void CropTool::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
+{
+    if (event->buttons() != Qt::LeftButton || d->handleAt(event->pos()) == CH_None) {
+        event->ignore();
+        return;
+    }
+    event->accept();
+    d->mCropWidget->findChild<QDialogButtonBox *>()->accepted();
+}
+
 void CropTool::hoverMoveEvent(QGraphicsSceneHoverEvent* event)
 {
     event->accept();
diff --git a/lib/documentview/abstractrasterimageviewtool.h b/lib/documentview/abstractrasterimageviewtool.h
--- a/lib/documentview/abstractrasterimageviewtool.h
+++ b/lib/documentview/abstractrasterimageviewtool.h
@@ -60,6 +60,7 @@
     {}
     virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent*)
     {}
+    virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event);
     virtual void hoverMoveEvent(QGraphicsSceneHoverEvent*)
     {}
     virtual void wheelEvent(QGraphicsSceneWheelEvent* event);
diff --git a/lib/documentview/abstractrasterimageviewtool.cpp b/lib/documentview/abstractrasterimageviewtool.cpp
--- a/lib/documentview/abstractrasterimageviewtool.cpp
+++ b/lib/documentview/abstractrasterimageviewtool.cpp
@@ -54,6 +54,11 @@
     return d->mRasterImageView;
 }
 
+void AbstractRasterImageViewTool::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
+{
+    event->ignore();
+}
+
 void AbstractRasterImageViewTool::wheelEvent(QGraphicsSceneWheelEvent* event)
 {
     event->ignore();
diff --git a/lib/documentview/rasterimageview.h b/lib/documentview/rasterimageview.h
--- a/lib/documentview/rasterimageview.h
+++ b/lib/documentview/rasterimageview.h
@@ -64,6 +64,7 @@
     void onScrollPosChanged(const QPointF& oldPos) override;
     void resizeEvent(QGraphicsSceneResizeEvent* event) override;
     void mousePressEvent(QGraphicsSceneMouseEvent* event) override;
+    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event) override;
     void mouseMoveEvent(QGraphicsSceneMouseEvent* event) override;
     void mouseReleaseEvent(QGraphicsSceneMouseEvent* event) override;
     void wheelEvent(QGraphicsSceneWheelEvent* event) override;
diff --git a/lib/documentview/rasterimageview.cpp b/lib/documentview/rasterimageview.cpp
--- a/lib/documentview/rasterimageview.cpp
+++ b/lib/documentview/rasterimageview.cpp
@@ -492,6 +492,17 @@
     AbstractImageView::mousePressEvent(event);
 }
 
+void RasterImageView::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
+{
+    if (d->mTool) {
+        d->mTool.data()->mouseDoubleClickEvent(event);
+        if (event->isAccepted()) {
+            return;
+        }
+    }
+    AbstractImageView::mouseDoubleClickEvent(event);
+}
+
 void RasterImageView::mouseMoveEvent(QGraphicsSceneMouseEvent* event)
 {
     if (d->mTool) {
diff --git a/lib/redeyereduction/redeyereductiontool.h b/lib/redeyereduction/redeyereductiontool.h
--- a/lib/redeyereduction/redeyereductiontool.h
+++ b/lib/redeyereduction/redeyereductiontool.h
@@ -54,6 +54,7 @@
     void mousePressEvent(QGraphicsSceneMouseEvent*) override;
     void mouseMoveEvent(QGraphicsSceneMouseEvent*) override;
     void mouseReleaseEvent(QGraphicsSceneMouseEvent*) override;
+    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event) override;
     void keyPressEvent(QKeyEvent*) override;
 
     void toolActivated() override;
diff --git a/lib/redeyereduction/redeyereductiontool.cpp b/lib/redeyereduction/redeyereductiontool.cpp
--- a/lib/redeyereduction/redeyereductiontool.cpp
+++ b/lib/redeyereduction/redeyereductiontool.cpp
@@ -164,6 +164,16 @@
     event->accept();
 }
 
+void RedEyeReductionTool::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
+{
+    if (event->buttons() != Qt::LeftButton) {
+        event->ignore();
+        return;
+    }
+    event->accept();
+    d->mToolWidget->dialogButtonBox->accepted();
+}
+
 void RedEyeReductionTool::keyPressEvent(QKeyEvent* event)
 {
     QDialogButtonBox *buttons = d->mToolWidget->findChild<QDialogButtonBox *>();
diff --git a/lib/redeyereduction/redeyereductionwidget.ui b/lib/redeyereduction/redeyereductionwidget.ui
--- a/lib/redeyereduction/redeyereductionwidget.ui
+++ b/lib/redeyereduction/redeyereductionwidget.ui
@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>405</width>
+    <width>638</width>
     <height>56</height>
    </rect>
   </property>
@@ -61,7 +61,7 @@
        <item>
         <widget class="QLabel" name="label_2">
          <property name="text">
-          <string>Click on the red eye you want to fix</string>
+          <string>Click on a red eye and choose a size, or double-click to correct instantly.</string>
          </property>
         </widget>
        </item>