Hey my eyes ,an eyelid is covered up more than the other eye,when I have the laptop in front of me and I look at it I notice that in the backround the TV is crossed or shows double,when I cover one eye it is normal but on my webcam when I look up at the wall or something the allignment of my eyes aren't even,I think this is diplopia but I'm not sure and I am not crossed eyes,please could you tell me what this is I am only 13,thanks.