diff --git a/LesionTracker/client/components/viewerSection/viewerSection.js b/LesionTracker/client/components/viewerSection/viewerSection.js
index 0aabd12cc..29f8a978e 100644
--- a/LesionTracker/client/components/viewerSection/viewerSection.js
+++ b/LesionTracker/client/components/viewerSection/viewerSection.js
@@ -1,14 +1,19 @@
-const isSidebarOpen = sidebarName => {
-    handleResize();
-    return Template.instance().data.state.get(sidebarName);
-};
+Template.viewerSection.events({
+     'transitionend .sidebarMenu'(event) {
+         if (!event.target.classList.contains('sidebarMenu')) {
+             return;
+         }
+ 
+         handleResize();
+     }
+ });
 
 Template.viewerSection.helpers({
     leftSidebarOpen() {
-        return isSidebarOpen('leftSidebar');
+       return Template.instance().data.state.get('leftSidebar');
     },
 
     rightSidebarOpen() {
-        return isSidebarOpen('rightSidebar');
+       return Template.instance().data.state.get('rightSidebar');
     }
-});
+});
\ No newline at end of file
diff --git a/LesionTracker/client/components/viewerSection/viewerSection.styl b/LesionTracker/client/components/viewerSection/viewerSection.styl
index 100d08651..fce5df131 100644
--- a/LesionTracker/client/components/viewerSection/viewerSection.styl
+++ b/LesionTracker/client/components/viewerSection/viewerSection.styl
@@ -30,11 +30,11 @@
     margin-left: - $studiesSidebarMenuWidth
     max-width: $studiesSidebarMenuWidth
     order: 1
-    display: none
+    visibility: hidden
 
     &.sidebar-open
       margin-left: 0
-      display: block
+      visibility: visible
 
   .mainContent
     flex: 1
@@ -52,7 +52,7 @@
     order: 3
     padding-left: 6px
     position: relative
-    display: none
+    visibility: hidden
 
     &[data-timepoints="3"]
       margin-right: - ($lesionsSidebarMenuWidth + 135.5px)
@@ -64,7 +64,7 @@
 
     &.sidebar-open
       margin-right: 0
-      display: block
+      visibility: visible
 
   .studiesListedChanger
     theme('border-bottom', '%s solid $uiBorderColor' % $uiBorderThickness)
diff --git a/Packages/ohif-viewerbase/client/components/viewer/gridLayout/gridLayout.styl b/Packages/ohif-viewerbase/client/components/viewer/gridLayout/gridLayout.styl
index e44474eaf..2593492fe 100644
--- a/Packages/ohif-viewerbase/client/components/viewer/gridLayout/gridLayout.styl
+++ b/Packages/ohif-viewerbase/client/components/viewer/gridLayout/gridLayout.styl
@@ -4,7 +4,7 @@
   height: 100%
   padding-bottom: 1px
   width: 100%
-  padding-right: 0
+  padding-right: 12px
 
 .mainContent
   &.sidebar-right-open
@@ -13,7 +13,7 @@
     
   &.sidebar-left-open:not(.sidebar-right-open)
     #imageViewerViewports
-      padding-right: 1px
+      padding-right: 13px
   
   &.sidebar-left-open.sidebar-right-open
     #imageViewerViewports