Patients’ subjective responses to a standardised questionnaire
| Questions | Experimental group (n=63) | Control group (n=65) | P value |
| 1.Were you dazzled by the microscope light during the operation? | |||
| Median (Q1–Q3) | 1.0 (0.0–4.0) | 3.0 (0.0–6.0) | 0.027* |
| 2.Were you comfortable when the light was on during your operation? | |||
| Median (Q1–Q3) | 8.0 (6.5–10.0) | 7.0 (5.0–9.0) | 0.026* |
| 3.Did you experience any pain during the operation? | |||
| Median (Q1–Q3) | 0.0 (0.0–3.0) | 0.0 (0.0–2.0) | 0.759* |
| 4.Do you still feel any visual disturbance due to glare from the microscope light, after the operation? | |||
| Median (Q1–Q3) | 0.0 (0.0–2.5) | 0.0 (0.0–1.0) | 0.378* |
Patients responded to all questions on a scale of 0 (no, not at all) to 10 (yes, extremely).
*P values are based on the Wilcoxon-Mann-Whitney test.