Table 5 Demographic characteristics of users participating in usability evaluation
Demographic characteristics | Frequency | Percentage |
|---|---|---|
Age (year) | ||
  ≤ 29 | 9 | 47.4 |
  ≥ 30 | 10 | 52.6 |
Gender | ||
 Male | 10 | 52.6 |
 Female | 9 | 47.4 |
Education level | ||
 Second year resident | 7 | 36.8 |
 Third year resident | 11 | 57.9 |
 Emergency ophthalmologist | 1 | 5.3 |
Work experience as an ophthalmologist (year) | ||
 2 | 7 | 36.8 |
 3 | 11 | 57.9 |
 3 <  | 1 | 5.3 |