Table 1. Comparisons of ocular Surface parameters in pterygium and healthy participants.

	Control		Pterygium
	Mean ± SD	95% CI	Mean ± SD	95% CI	P value
Age (years)	57.32±7.30	5.76–14.43	53.69±11.29	50.55–56.84	0.6084
Visual Acuity	0.85±0.21	0.77–0.94	0.63±0.31	0.54–0.71	0.0001*
Tear meniscus height	0.24±0.05	0.22–0.26	0.36±0.14	0.32–0.40	0.0001*
NITBUT first Breakup	10.6±6.51	8.22–13.01	10.64±5.29	9.16–12.11	0.8728
NITBUT average Breakup	14.28±6.06	11.88–16.68	13.55±5.55	12.01–15.10	0.6605
Conjunctival hyperemia	1.55±0.39	0.02–0.34	2.14±0.69	1.95–2.36	0.0001*
Meiboscore lower	0.29±0.64	0.05–0.52	1.38±0.95	0.77–1.19	0.0001*
Meiboscore upper	0.53±0.62	0.29–0.76	0.98±0.75	0.77–1.19	0.0083*