Your daughter will be glad to hear that she's in good company, in noticing the "Vergence-Accommodation conflict"[1] that is unavoidable on two-view stereoscopic

Your daughter will be glad to hear that she's in good company, in noticing the "Vergence-Accommodation conflict"[1] that is unavoidable on two-view stereoscopic displays. You're correct that light field optics don't have this issue -- other options are volumetric displays and "super multi-view" displays (which are, to a certain interpretation, a type of lightfield display). [1] http://jov.arvojournals.org/article.aspx?articleid=2122611 http://jov.arvojournals.org/article.aspx?articleid=2122611