Well, you get serious eye strain from focusing too close, so it would need optics to create a virtual image at a comfortable distance that your eyes can focus o

Well, you get serious eye strain from focusing too close, so it would need optics to create a virtual image at a comfortable distance that your eyes can focus on. In reality some lens(es) take the screen's light and bend it so that the angles of the light rays correspond to the light of a screen at that comfortable distance, but your eyes can't tell, just like they can't tell that the things are actually smaller when you look through a good pair of binoculars.