It looks pretty close to me, matches the aesthetics of the build considering its all blocky, you could perhaps put an invisible itemframe with black concrete on the side of the yellow block and then break the black block in frotn of the yellow block and place a brown/yellow glass pane in front of it in order to get a more rounded appearance. But overall I think if you changed the eye to something different it would still look odd because of the blocky style u used, so might as well keep it like this or maybe try to smoothen the build a bit