Research Article
Testing of Visual Field with Virtual Reality Goggles in Manual and Visual Grasp Modes
Table 3
Summary of usability questionnaire responses.
| Usability question | Median rating and % of responses for each rating (1 through 5) |
| Overall comfort (1—very comfortable, 5—very uncomfortable) | 1 | Comfort in comparison with HFA (1—much better, 5—much worse) | 2 | Were the test principles easy to understand? (1—easy, 5—difficult) | 1 | Overall difficulty of test procedure (1—very easy, 5—very difficult) | 1 | Device preference (1—VirtualEye, 5—HFA) | 2 | VirtualEye mode preference (1—manual, 5—visual grasp) | 3 |
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