A Randomized Controlled Trial to Manage Postoperative Ocular Pain after Pterygium Excision with Conjunctival Autograft Transplantation with a Single Application of 2% Sodium Hyaluronate

Table 2

The medians of pain score assessed by VAS immediately after operation (Day 0) and on Days 1, 2, and 3 between the SH and the control groups.

Postoperative time (day)	SH (n = 15)	Control (n = 15)
0	5	6	0.867
1	3	5	0.001
2	0	3	0.001
3	0	0	0.141

n = number; SH = sodium hyaluronate; Mann–Whitney U test.