Table 1.
Item | Score value | ||
---|---|---|---|
1 | 3 | 5 | |
Centering | >1/10 min | 1/10 min | 0-1/20 min |
Horizon | >1/10 min | 1/10 min | 0-1/20 min |
Target out of view | >2/operation | 1-2/operation | None |
Verbal | >1/5 min | 0-1/5 min | None |
Manual | >1/operation | 1/operation | None |
Total score value | Sum of all items (range: 5-25) |