Near-eye displays: state-of-the-art and emerging technologies

This paper will start with a brief review of the recent advancements in near-eye displays, then focus on the development and results of two emerging technologies aiming to address two critical issues related to near-eye displays: (a) a freeform optical technology promising near-eye displays with an ultimately compact form factor, close to a pair of eyeglasses rather than a traditional helmet style; and (b) a vari- and multi-focal technology promising more accurate rendering of depth cues than conventional stereoscopic displays.