Table 1.

Overall differences of indicators from before to after warm compress (WC)

	Pre-WC	Post-WC	P value
Lipid Layer
TFLLT-Ave(nm)	63.08±17.37	81.89±19.30	0.000*
TFLLT-Max(nm)	82.86±19.62	91.00±13.81	0.023*
TFLLT-Min(nm)	51.70±16.28	70.43±26.60	0.000*
TFLLT-Std	5.38±2.60	7.84±9.28	0.109
TBUT(s)	5.38±2.19	6.38±2.16	0.000*
Meibomian Gland
TMGS (0 to 45 points)	10.28±4.05	12.06±4.53	0.002*
MGL (0 to 15, n)	3.64±1.51	4.39±1.71	0.004*
MGC (0 to 15, n)	2.17±1.48	2.50±1.58	0.139
Blink pattern Parameters
TBF (times/19.1s)	8.27±3.81	7.70±3.69	0.505
PBF (times/19.1s)	5.54±3.66	3.57±2.92	0.002*
CBR (%)	32.76±32.89	50.28±35.51	0.002*
PBR (%)	67.23±32.89	49.72±35.51	0.002*
LogMAR UDVA	-0.05±0.10	-0.08±0.09	0.270
LogMAR CDVA	-0.12±0.07	-0.13±0.07	0.317
SE (Diopter, D)	-0.47±0.52	-0.34±0.42	0.042*
K1	38.55±2.19	38.59±2.22	0.953
K2	39.44±2.12	39.45±2.19	0.899
Km	38.99±2.15	39.02±2.19	0.816
CCT (um)	462.47±44.03	471.57±49.01	0.006*
Total HOAs	0.63±0.51	0.85±0.38	0.593
Z (4, 0)	0.30±0.27	0.39±0.23	0.970
Z (3, 1)	-0.13±0.34	-0.15±0.34	0.101
Z (3, -1)	-0.43±0.46	-0.42±0.44	0.688

All data are expressed as the mean ± standard deviations

TFLLT tear film lipid layer thickness, TBUT tear film break-up time, TMGS total Meibomian gland secretion score, MGL glands secreting any liquid, MGC glands secreting clear liquid, TBF total blink frequency, PBF partial blink frequency, PBR partial blink rate, CBR complete blink rate, UDVA uncorrected distance visual acuity, CDVA corrected distance visual acuity, SE spherical equivalent, CCT central corneal thickness, HOAs higher order aberrations

*Significant difference