Effects on visual functions during tasks of object handling in virtual environment with a head mounted display

Abstract

This study examined the effects on visual functions of a prolonged handling task within the helmet-mounted display environment. Both version eye movement and accommodative response became gradually slower during the 40-min task. Although delayed presentation of display after head movement noticeably worsened both visual responses, presentation delay after hand movement did not significantly change the sluggishness of responses. Therefore it is suggested that decreasing time delay after head movement is a more important factor in order to improve human performance of handling tasks within the HMD environment.

The generation and practical use of plans for manual assembly using immersive virtual reality

“…At the start of the real and virtual tasks the unassembled components were always placed in the same relative positions. A familiarization period of 30 min for the VR system was chosen for the operators, based on the experience of previous virtual reality research projects [34,36,38,40,42,52].…”

The Effects of Direction and Movement of Attractors on Users' Behavior in Virtual Environments

“…Richer data that can aid in the interpretation of choice, speed, and accuracy results can be obtained by recording additional data such as eye movements 11 and verbal data. 5 In our on-going program of research into the use of VEs in the framework of POs, we use these additional data collection methods to study users' behavior in more realistic VEs.…”

Head-Mounted Displays: Are They Practical for School-Age Children?

“…The effects of virtual-reality technology on ocular-motor function, such as refraction and ocular convergence (Hasebe, Oyamada, Ukai, Toda, & Bando, 1996), motion parallax (Komachi, Miyazaki, Murata, Nagata, & Kani, 1996), and version eye movement and accommodative response (Kawara, Ohmi, & Yoshizawa, 1996) have been studied. In addition, surgeons have applied this technology to improve surgical efficiency and reduce risk (Barnett, Steiner, & Weisenberger, 1995;Wagner, Rasse, Millesi, & Ewers, 1997).…”