KIM, SUNG KYU Kim, Dong Wook Park, Min Chul Jung Young Son Toshio Honda 2024-01-13T08:33:58Z 2024-01-13T08:33:58Z 2021-09-29 2005-10 https://pubs.kist.re.kr/handle/201004/104826 English accommodation multi-focus 3D convergence eye fatigue HMD Development of the 2nd generation of HMD type mult-focus 3D display system Conference 1 Optics East (SPIE) 2005 Optics East (SPIE) 2005 US