TABLE 1.

Basic information of participants in the study.

Condition	SM	HC	t	P-value
Male/female	4/8	6/6	N/A	0.430
Age (years)	34.25 ± 7.07	31.67 ± 5.98	0.925	0.365
Weight (kg)	111.92 ± 13.33	66.08 ± 10.41	8.986	<0.01
Handedness	12R	12R	N/A	>0.99
Initial visual acuity-left eye (log Mar)	0.80 ± 0.16	0.58 ± 0.09	3.742	<0.01
Initial visual acuity-right eye (log Mar)	0.83 ± 0.22	0.62 ± 0.13	2.813	<0.05
Daily life score	90.92 ± 6.53	100.00 ± 0.00	4.617	<0.01
MMSE	21.42 ± 4.37	27.83 ± 2.41	4.266	<0.01

Independent t-tests comparing the two groups (p < 0:05 represented statistically significant differences). Data presented as mean ± SD. HC, healthy control; SM, severe obesity and meibomian gland dysfunction; MMSE, mini-mental state examination.