You may make one more copy of this layer just for the blurred zone to be brighter:



Make a copy and blur out the layer containing the contours:



Minimize the blurred layer's Opacity till 90%.



Then create a new layer, above the rest of the layers and insert on it more flares on the girl's pupil of the eye, applying the Brush Tool of Hard Round type of a small size:



Make a copy of the flares' layer and blur out this copy too: