Effect of Pterygium Surgery on Tear Osmolarity

Table 1

The comparisons of the tear osmolarity, break-up time (BUT), and Schirmer test results within the groups during the follow-up period (mean ± SD).

	Group 1; (𝑛=50)	Group 2; (𝑛=24)
Tear osmolarity (mOsm/L)
Baseline	304.9 ± 8.0	304.0 ± 11.8
3rd month	301.8±8.2	301.6±11.7
12th month	300.0±8.8	305.0±11.2
18th month	300.1±8.6	306.7±11.7
BUT (second)
Baseline	10.5±3.0	10.3±3.7
3rd month	11.8±3.8	10.7±3.9
12th month	11.9±3.4	11.2±3.7
18th month	11.8±3.5	11.1±3.9
Schirmer test (mm)
Baseline	12.5±3.6	12.0±3.9
3rd month	12.5±3.5	12.2±3.1
12th month	12.7±3.9	12.5±3.6
18th month	12.9±3.6	12.7±3.6

Group 1 includes patients with no recurrence of pterygium after primary pterygium surgery.
Group 2 includes patients with recurrence of pterygium after primary pterygium surgery.