I just was testing in PP2014 and the Refract node is buggy but I am testing a beta of SR something or other and I don't know what happens with the version you're using.

I suggest you start simple instead of a whole scene and instead of the ghost trick.

Make a scene with something to look at.

Put a Poser sphere in front - this is to look through.

Turn off Diffuse_Value and Specular_Value and put a Refract node into Alternate_Diffuse, which should be white.

Set Index_of_refraction to 1.

What do you see?

If it looks like glass (refracting) then you're borked. If it looks like invisible (except at the edges) then my problem with PP2014 is new to the SR and you don't have it yet.

Until we know what is happening I can't really suggest any remedy.

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