diff --git a/doc/tutorials/contrib/retina_model/retina_model.rst b/doc/tutorials/contrib/retina_model/retina_model.rst
index 9d0bd65cb..6e548771f 100644
--- a/doc/tutorials/contrib/retina_model/retina_model.rst
+++ b/doc/tutorials/contrib/retina_model/retina_model.rst
@@ -328,19 +328,19 @@ Once done open the configuration file *RetinaDefaultParameters.xml* generated by
 	<OPLandIPLparvo>
 	  <colorMode>1</colorMode>
 	  <normaliseOutput>1</normaliseOutput>
-	  <photoreceptorsLocalAdaptationSensitivity>7.0e-01</photoreceptorsLocalAdaptationSensitivity>
-	  <photoreceptorsTemporalConstant>5.0e-01</photoreceptorsTemporalConstant>
-	  <photoreceptorsSpatialConstant>5.3e-01</photoreceptorsSpatialConstant>
-	  <horizontalCellsGain>0.</horizontalCellsGain>
-	  <hcellsTemporalConstant>1.</hcellsTemporalConstant>
+	  <photoreceptorsLocalAdaptationSensitivity>7.5e-01</photoreceptorsLocalAdaptationSensitivity>
+	  <photoreceptorsTemporalConstant>9.0e-01</photoreceptorsTemporalConstant>
+	  <photoreceptorsSpatialConstant>5.7e-01</photoreceptorsSpatialConstant>
+	  <horizontalCellsGain>0.01</horizontalCellsGain>
+	  <hcellsTemporalConstant>0.5</hcellsTemporalConstant>
 	  <hcellsSpatialConstant>7.</hcellsSpatialConstant>
-	  <ganglionCellsSensitivity>7.0e-01</ganglionCellsSensitivity></OPLandIPLparvo>
+	  <ganglionCellsSensitivity>7.5e-01</ganglionCellsSensitivity></OPLandIPLparvo>
 	<IPLmagno>
 	  <normaliseOutput>1</normaliseOutput>
 	  <parasolCells_beta>0.</parasolCells_beta>
 	  <parasolCells_tau>0.</parasolCells_tau>
 	  <parasolCells_k>7.</parasolCells_k>
-	  <amacrinCellsTemporalCutFrequency>1.2e+00</amacrinCellsTemporalCutFrequency>
+	  <amacrinCellsTemporalCutFrequency>2.0e+00</amacrinCellsTemporalCutFrequency>
 	  <V0CompressionParameter>9.5e-01</V0CompressionParameter>
 	  <localAdaptintegration_tau>0.</localAdaptintegration_tau>
 	  <localAdaptintegration_k>7.</localAdaptintegration_k></IPLmagno>
diff --git a/doc/tutorials/definitions/tocDefinitions.rst b/doc/tutorials/definitions/tocDefinitions.rst
index ead0837e1..f728e47db 100644
--- a/doc/tutorials/definitions/tocDefinitions.rst
+++ b/doc/tutorials/definitions/tocDefinitions.rst
@@ -7,6 +7,6 @@
 .. |Author_ArtemM| unicode:: Artem U+0020 Myagkov
 .. |Author_FernandoI| unicode:: Fernando U+0020 Iglesias U+0020 Garc U+00ED a
 .. |Author_EduardF| unicode:: Eduard U+0020 Feicho
-.. |Author_AlexB| unicode:: Alexandre U+0020 Benoit
+.. |Author_AlexB| unicode:: Alexandre U+0020 Benoit 
 
 
diff --git a/modules/contrib/doc/retina/index.rst b/modules/contrib/doc/retina/index.rst
index 0f46ad47a..cacc38439 100644
--- a/modules/contrib/doc/retina/index.rst
+++ b/modules/contrib/doc/retina/index.rst
@@ -367,7 +367,7 @@ Parameters structure for better clarity, check explenations on the comments of m
                   {};// default setup
                bool normaliseOutput;
                float parasolCells_beta, parasolCells_tau, parasolCells_k, amacrinCellsTemporalCutFrequency, V0CompressionParameter, localAdaptintegration_tau, localAdaptintegration_k;
-           };
+           }; 
             struct OPLandIplParvoParameters OPLandIplParvo;
             struct IplMagnoParameters IplMagno;
     };
diff --git a/modules/contrib/include/opencv2/contrib/retina.hpp b/modules/contrib/include/opencv2/contrib/retina.hpp
index 5c5a2d9af..4dd9075fb 100644
--- a/modules/contrib/include/opencv2/contrib/retina.hpp
+++ b/modules/contrib/include/opencv2/contrib/retina.hpp
@@ -119,13 +119,13 @@ public:
         struct OPLandIplParvoParameters{ // Outer Plexiform Layer (OPL) and Inner Plexiform Layer Parvocellular (IplParvo) parameters
                OPLandIplParvoParameters():colorMode(true),
                                  normaliseOutput(true),
-                                 photoreceptorsLocalAdaptationSensitivity(0.7f),
-                                 photoreceptorsTemporalConstant(0.5f),
-                                 photoreceptorsSpatialConstant(0.53f),
-                                 horizontalCellsGain(0.0f),
-                                 hcellsTemporalConstant(1.f),
+                                 photoreceptorsLocalAdaptationSensitivity(0.75f),
+                                 photoreceptorsTemporalConstant(0.9f),
+                                 photoreceptorsSpatialConstant(0.57f),
+                                 horizontalCellsGain(0.01f),
+                                 hcellsTemporalConstant(0.5f),
                                  hcellsSpatialConstant(7.f),
-                                 ganglionCellsSensitivity(0.7f){};// default setup
+                                 ganglionCellsSensitivity(0.75f){};// default setup
                bool colorMode, normaliseOutput;
                float photoreceptorsLocalAdaptationSensitivity, photoreceptorsTemporalConstant, photoreceptorsSpatialConstant, horizontalCellsGain, hcellsTemporalConstant, hcellsSpatialConstant, ganglionCellsSensitivity;
            };
@@ -135,7 +135,7 @@ public:
                           parasolCells_beta(0.f),
                           parasolCells_tau(0.f),
                           parasolCells_k(7.f),
-                          amacrinCellsTemporalCutFrequency(1.2f),
+                          amacrinCellsTemporalCutFrequency(2.0f),
                           V0CompressionParameter(0.95f),
                           localAdaptintegration_tau(0.f),
                           localAdaptintegration_k(7.f){};// default setup
diff --git a/modules/contrib/src/retina.cpp b/modules/contrib/src/retina.cpp
index 7785fed79..7a5f6dfc9 100644
--- a/modules/contrib/src/retina.cpp
+++ b/modules/contrib/src/retina.cpp
@@ -408,7 +408,6 @@ void RetinaImpl::setup(cv::Retina::RetinaParameters newConfiguration)
     setupOPLandIPLParvoChannel(_retinaParameters.OPLandIplParvo.colorMode, _retinaParameters.OPLandIplParvo.normaliseOutput, _retinaParameters.OPLandIplParvo.photoreceptorsLocalAdaptationSensitivity, _retinaParameters.OPLandIplParvo.photoreceptorsTemporalConstant, _retinaParameters.OPLandIplParvo.photoreceptorsSpatialConstant, _retinaParameters.OPLandIplParvo.horizontalCellsGain, _retinaParameters.OPLandIplParvo.hcellsTemporalConstant, _retinaParameters.OPLandIplParvo.hcellsSpatialConstant, _retinaParameters.OPLandIplParvo.ganglionCellsSensitivity);
     setupIPLMagnoChannel(_retinaParameters.IplMagno.normaliseOutput, _retinaParameters.IplMagno.parasolCells_beta, _retinaParameters.IplMagno.parasolCells_tau, _retinaParameters.IplMagno.parasolCells_k, _retinaParameters.IplMagno.amacrinCellsTemporalCutFrequency,_retinaParameters.IplMagno.V0CompressionParameter, _retinaParameters.IplMagno.localAdaptintegration_tau, _retinaParameters.IplMagno.localAdaptintegration_k);
 
-
 }
 
 const std::string RetinaImpl::printSetup()
diff --git a/samples/cpp/tutorial_code/contrib/retina_tutorial.cpp b/samples/cpp/tutorial_code/contrib/retina_tutorial.cpp
index c0cd5f42f..2447a16ef 100644
--- a/samples/cpp/tutorial_code/contrib/retina_tutorial.cpp
+++ b/samples/cpp/tutorial_code/contrib/retina_tutorial.cpp
@@ -136,7 +136,7 @@ int main(int argc, char* argv[]) {
         }
     }catch(cv::Exception e)
     {
-        std::cerr<<"Error using Retina : "<<e.what()<<std::endl;
+        std::cerr<<"Error using Retina or end of video sequence reached : "<<e.what()<<std::endl;
     }
 
     // Program end message