## 5 Results
### Impact of Usage of Distance Spectacles/Contact Lenses
\begin{table}
\begin{tabular}{c c c c c c c} \hline \hline
**VRISE Scale** & **Condition** & **N** & **Mean** & **SD** & **Min Value** & **Max Value** \\ \hline SSQ Total & LA\_NORF & 9 & 17.04 & 19.44 & 0.00 & 56.10 \\  & LA\_RFG & 9 & 19.12 & 22.40 & 0.00 & 71.06 \\  & LA\_RFH & 9 & 22.44 & 26.45 & 0.00 & 67.32 \\  & HA\_NORF & 9 & 24.93 & 24.31 & 0.00 & 63.58 \\  & HA\_RFG & 9 & 18.28 & 19.11 & 0.00 & 52.36 \\  & HA\_RFH & 9 & 27.43 & 23.58 & 0.00 & 67.32 \\ \hline SSQ & LA\_NORF & 9 & 17.01 & 20.62 & 0.00 & 55.68 \\ Disorientation & LA\_RFG & 9 & 21.65 & 31.21 & 0.00 & 97.44 \\  & LA\_RFH & 9 & 23.20 & 30.34 & 0.00 & 83.52 \\  & HA\_NORF & 9 & 32.48 & 36.17 & 0.00 & 83.52 \\  & HA\_RFG & 9 & 24.75 & 28.51 & 0.00 & 83.52 \\  & HA\_RFH & 9 & 30.93 & 30.95 & 0.00 & 69.60 \\ \hline \hline \end{tabular}
\end{table} 
Table 16: Subjective VRISE levels assessed by the SSQ and VRNQ (VRISE Section) for participants who had normal vision and did use distance spectacles or contact lenses (during the experiment, they were wearing contact lenses). \begin{table}
\begin{tabular}{c c c c c c c} \hline \hline
**VRISE Scale** & **Condition** & **N** & **Mean** & **SD** & **Min Value** & **Max Value** \\ \hline SSQ Total & LA\_NORF & 15 & 25.18 & 29.23 & 0.00 & 104.72 \\  & LA\_RFG & 15 & 29.92 & 33.54 & 0.00 & 119.68 \\  & LA\_RFH & 15 & 36.40 & 37.06 & 0.00 & 123.42 \\  & HA\_NORF & 15 & 33.66 & 34.86 & 0.00 & 112.20 \\  & HA\_RFG & 15 & 36.15 & 28.85 & 0.00 & 78.54 \\  & HA\_RFH & 15 & 27.93 & 26.55 & 0.00 & 71.06 \\ \hline SSQ & LA\_NORF & 15 & 24.13 & 39.54 & 0.00 & 139.20 \\ Disorientation & LA\_RFG & 15 & 36.19 & 45.81 & 0.00 & 125.28 \\  & LA\_RFH & 15 & 42.69 & 47.20 & 0.00 & 167.04 \\  & HA\_NORF & 15 & 38.05 & 40.57 & 0.00 & 125.28 \\  & HA\_RFG & 15 & 31.55 & 31.33 & 0.00 & 83.52 \\  & HA\_RFH & 15 & 27.84 & 30.22 & 0.00 & 83.52 \\ \hline SSQ Nausea & LA\_NORF & 15 & 27.98 & 27.57 & 0.00 & 95.40 \\  & LA\_RFG & 15 & 28.62 & 29.95 & 0.00 & 95.40 \\  & LA\_RFH & 15 & 36.25 & 36.27 & 0.00 & 104.94 \\  & HA\_NORF & 15 & 35.62 & 41.66 & 0.00 & 124.02 \\  & HA\_RFG & 15 & 43.24 & 39.48 & 0.00 & 114.48 \\  & HA\_RFH & 15 & 30.53 & 35.00 & 0.00 & 95.40 \\ \hline SSQ & LA\_NORF & 15 & 15.67 & 23.36 & 0.00 & 90.96 \\ Oculomotor & LA\_RFG & 15 & 18.19 & 25.27 & 0.00 & 98.54 \\  & LA\_RFH & 15 & 21.73 & 24.79 & 0.00 & 90.96 \\  & HA\_NORF & 15 & 19.20 & 20.43 & 0.00 & 68.22 \\  & HA\_RFG & 15 & 21.73 & 20.83 & 0.00 & 68.22 \\  & HA\_RFH & 15 & 17.18 & 20.75 & 0.00 & 75.80 \\ \hline VRNQ & LA\_NORF & 15 & 31.07 & 4.86 & 20 & 35 \\ VRISE scale & LA\_RFG & 14 & 30.43 & 6.20 & 15 & 35 \\  & LA\_RFH & 15 & 31.13 & 4.24 & 21 & 35 \\  & HA\_NORF & 15 & 30.07 & 5.40 & 20 & 35 \\  & HA\_RFG & 15 & 29.60 & 5.82 & 19 & 35 \\  & HA\_RFH & 15 & 31.13 & 4.39 & 22 & 35 \\ \hline \hline \end{tabular}
\end{table} 
Table 15: Subjective VRISE levels assessed by the SSQ and VRNQ (VRISE Section) for participants who had normal vision and did use distance spectacles or contact lenses. Using glasses as the rest-frame in the HA mode of the game did cause elevated VRISE levels compared to the baseball hat as the rest-frame, as assessed by the SSQ Nausea score, as well as by the VRNQ VRISE scale, for participants who had normal vision and did not wear distance spectacles. This supported Hypothesis H2 for the SSQ Nausea subscale and VRNQ-VRISE scale. In contrast to the users who did not wear distance spectacles, the usage of glasses as the rest-frame in the HA mode of the game, as assessed by the SSQ Nausea subscale, helped reduce the VRISE levels compared to the usage of the baseball hat as the rest-frame. Those users used distance spectacles or contact lenses, but during the experiment, they were wearing contact lenses under the HMD.