Merge down the layers (ctrl+e) and make one more copy of this new layer (ctrl+j). We should apply on it the following option: Filter ? Render ? Lightness Effect, just to change the lightness:

Autumn Wallpaper ? Photo Effects

Apply on this layer the other filter: Filter ? Noise ? Median.

Autumn Wallpaper ? Photo Effects

Change the layer's type on Overlay and make the necessary corrections on the brightness, the contrast and the saturation of the layer:

Autumn Wallpaper ? Photo Effects
   


Make the eye look lighter by outlining the eye's half circle with white color on a new layer (Brush Tool), blurring it a little and changing the layer's type on Soft Light.

Autumn Wallpaper ? Photo Effects

Select after that the Gradient Tool and insert on the picture a cold nuance, especially on those places we want to make them lighter:

Autumn Wallpaper ? Photo Effects

Change the layer's type on Screen:

Autumn Wallpaper ? Photo Effects