Table 1. Pain scores reported by patients after surgery; percentage breakdown of the pain level intraoperative of 3300 eyes in 1650 patients.

Pain score	Group 1 pain level	Group 2 pain level
0	32%	77%
1	59%	20%
2	4%	3%
3	5%	0
Mean±SD	0.82±0.73	0.26±0.50

SD: Standard deviation; 0: No pain; 1: Low pain; 2: Mild pain; 3: Severe pain. Statistically significant with P<0.05.