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

Table 3

Comparison of repeated measurements of BCVA, SE, IOP, and macular thickness in group 2.

	Mean	𝑃 value
BCVA (LogMAR)
1 week to pretreatment	−0.5 ± 0.2	0.000*
4 weeks to pretreatment	−0.5 ± 0.2	0.000*
12 weeks to pretreatment	−0.5 ± 0.2	0.000*
4 weeks to 1 week	0.2 ± 0.1	0.188
12 weeks to 4 weeks	0.03 ± 0.1	0.860
SE (diopters)
1 week to pretreatment	0.36 ± 0.44	0.000*
4 weeks to pretreatment	0.44 ± 0.48	0.000*
12 weeks to pretreatment	0.46 ± 0.50	0.000*
4 weeks to 1 week	0.07 ± 0.13	0.002*
12 weeks to 4 weeks	0.01 ± 0.15	0.572
IOP
1 week to pretreatment	2.0 ± 2.2	0.000*
4 weeks to pretreatment	−0.1 ± 2.1	0.750
12 weeks to pretreatment	−0.1 ± 3.1	0.822
4 weeks to 1 week	−2.1 ± 2.1	0.000*
12 weeks to 4 weeks	−0.4 ± 3.3	0.429
Macular thickness
1 week to pretreatment	15.3 ± 21.1	0.000*
4 weeks to pretreatment	2.1 ± 16.7	0.484
12 weeks to pretreatment	−1.6 ± 20.8	0.657
4 weeks to 1 week	−13.3 ± 14.8	0.000*
12 weeks to 4 weeks	−3.8 ± 10.0	0.044*

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