The Effect of ND:YAG Laser Posterior Capsulotomy Size on Refraction, Intraocular Pressure, and Macular Thickness

Table 2

Comparison of repeated measurements of BCVA, SE, IOP, and macular thickness in group 1.

	Mean	𝑃 value
BCVA (LogMAR)
1 week to pretreatment	−0.4 ± 0.2	0.000*
4 weeks to pretreatment	−0.4 ± 0.2	0.000*
12 weeks to pretreatment	−0.4 ± 0.2	0.000*
4 weeks to 1 week	0.02 ± 0.07	0.822
12 weeks to 4 weeks	0.02 ± 0.1	0.421
SE (diopters)
1 week to pretreatment	0.16 ± 0.32	0.004*
4 weeks to pretreatment	0.18 ± 0.49	0.029*
12 weeks to pretreatment	0.23 ± 0.51	0.010*
4 weeks to 1 week	0.02 ± 0.26	0.638
12 weeks to 4 weeks	0.01 ± 0.23	0.720
IOP
1 week to pretreatment	0.9 ± 2.2	0.024*
4 weeks to pretreatment	−0.3 ± 2.4	0.463
12 weeks to pretreatment	−0.6 ± 2.8	0.205
4 weeks to 1 week	−1.2 ± 1.5	0.000*
12 weeks to 4 weeks	−0.3 ± 2.0	0.384
Macular thickness
1 week to pretreatment	15.2 ± 24.9	0.001*
4 weeks to pretreatment	−0.3 ± 19.5	0.926
12 weeks to pretreatment	−1.5 ± 17.9	0.606
4 weeks to 1 week	−15.5 ± 19.8	0.000*
12 weeks to 4 weeks	−1.2 ± 13.2	0.573

BCVA: best-corrected visual acuity; SE: spherical equivalent; IOP: intraocular pressure; LogMAR: logarithm of the minimum angle of resolution.
*Statistically significant.