Efficacy of 2% Hydroxypropyl Methylcellulose and Bandage Contact Lens for the Management of Dry Eye Disease after Cataract Surgery

Table 4

Comparison of corneal nerve fibers.

		Central cornea			Peripheral cornea
		Preoperative	Postoperative	Variation	Preoperative	Postoperative	Variation
CNFD (n/mm^2)
BSS	15	18.51 ± 2.15	14.16 ± 2.22	−3.35 ± 2.67	13.07 ± 3.29	10.73 ± 2.77	−2.35 ± 4.26
HPMC	17	17.36 ± 3.42	17.06 ± 2.41	−0.30 ± 3.66	13.51 ± 2.42	13.71 ± 3.46	0.19 ± 3.23
BCL	14	19.07 ± 3.61	15.81 ± 3.09	−3.26 ± 2.09	13.54 ± 3.96	11.32 ± 5.62	−2.22 ± 2.68
H&B	14	17.50 ± 2.94	16.81 ± 3.75	−0.69 ± 3.21	12.87 ± 4.23	11.47 ± 0.96	−1.40 ± 4.28
H/F		1.063	1.468	4.522	0.133	2.246	1.705
value		0.372	0.233	0.007	0.940	0.336	0.176
CTBD (n/mm^2)
BSS	16	47.74 ± 9.42	42.87 ± 11.49	−4.77 ± 17.65	20.40 ± 18.72	14.49 ± 13.11	−5.91 ± 12.99
HPMC	19	49.19 ± 12.07	47.74 ± 16.10	−1.45 ± 14.22	18.72 ± 9.77	25.32 ± 5.86	8.68 ± 13.40
BCL	14	51.62 ± 18.50	31.16 ± 17.54	−20.46 ± 27.13	25.11 ± 18.03	15.34 ± 6.05	−9.77 ± 15.48
H&B	14	53.94 ± 5.37	53.94 ± 41.63	0.01 ± 43.64	21.39 ± 17.21	31.62 ± 28.53	10.23 ± 15.26
F/H		0.730	2.303	1.724	0.410	4.00	7.547
value		0.203	0.089	0.218	0.746	0.025	<0.001

BSS, balanced salt solution; HPMC, hydroxypropyl methylcellulose; BCL, bandage contact lens; H&B, combined hydroxypropyl methylcellulose and bandage contact lens; CNFD, corneal nerve fiber density; CTBD, corneal nerve total branch density. ^∗P < 0.05; ^∗∗P < 0.001.