Perceived Pain during Cataract Surgery with Topical Anesthesia: A Comparison between First-Eye and Second-Eye Surgery
Table 2
Differences between first- and second-eye cataract surgery.
Parameter
First-eye surgery ()
Second-eye surgery ()
value
Pain rate (%)
35 (37/106)
87 (46/53)
<0.001
Median pain scores (range)
VAS pain
1 (0, 8)
2 (0, 6)
0.001
Wong-Baker Faces Pain Rating Scale
2 (0, 6)
2 (0, 6)
0.003
Median anxiety scores (range)
STAI
8 (6, 24)
7 (6, 24)
0.815
VAS anxiety
2 (0, 8)
1 (0, 8)
0.047
Median cataract (range)
Nuclear
3 (2, 5)
3 (2, 5)
0.113
Cortical
0 (0, 1)
0 (0, 1)
0.564
Posterior subcapsular
0 (0, 1)
0 (0, 1)
0.576
Mean operating room time (min) ± SD
11 ± 3
10 ± 2
0.817
Mean phacoemulsification time (min) ± SD
0.9 ± 0.7
0.8 ± 0.6
0.842
Mean arterial pressure = systolic blood pressure × 1/3 + diastolic blood pressure × 2/3. Significantly different between the two groups (two-tailed Wilcoxon test). VAS, visual analog scale, STAI, State-Trait Anxiety Inventory; SD, standard deviation.