Table 2.

Main Outcomes

A comparison of outcomes between the punctual plug and control groups
	No Plugs (n=173) Mean±SD	Plugs (n=172) Mean±SD	P
UDVA day 1 (logMAR)	0.04±0.08	0.03±0.08	0.31
UDVA week 1 (logMAR)	0.03±0.09	0.02±0.06	0.41
UDVA month 1 (logMAR)	0.02±0.078	0.01±0.41	0.34
Efficacy index	1.00±0.11	1.01±0.13	0.52
Safety index	0.99±0.09	0.95±0.16	0.3
Post-operative Spherical equivalent (D)	-0.03±0.18	-0.03±0.17	0.9
Postoperative dryness complaints (%)	34.1%	21.5%	0.01
SPK (%)	20.8%	8.7%	0.002
MGD (%)	5.8%	9.7%	0.16
Time to dryness (days)	20.78±26.9	51.2±77.64	0.009

F: Female, SD: Standard Deviation, K: Keratometry, UDVA: Uncorrected distance visual acuity, BCVA: Best-corrected visual acuity, SPK: Superficial punctate keratitis, MGD: Meibomian gland dysfunction. D: Diopter