Clinical Study

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.

ParameterFirst-eye surgery ()Second-eye surgery () value

Pain rate (%)35 (37/106)87 (46/53)<0.001
Median pain scores (range)
 VAS pain1 (0, 8)2 (0, 6)0.001
 Wong-Baker Faces Pain Rating Scale2 (0, 6)2 (0, 6)0.003
Median anxiety scores (range)
 STAI8 (6, 24)7 (6, 24)0.815
 VAS anxiety2 (0, 8)1 (0, 8)0.047
Median cataract (range)
 Nuclear3 (2, 5)3 (2, 5)0.113
 Cortical0 (0, 1)0 (0, 1)0.564
 Posterior subcapsular0 (0, 1)0 (0, 1)0.576
Mean operating room time (min) ± SD11 ± 310 ± 20.817
Mean phacoemulsification time (min) ± SD0.9 ± 0.70.8 ± 0.60.842

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.