The Effect of ND:YAG Laser Posterior Capsulotomy Size on Refraction, Intraocular Pressure, and Macular Thickness
Table 1
Comparison of mean capsulotomy size, BCVA, SE, IOP, and macular thickness between groups before Nd:YAG laser capsulatomy and 1, 4, and 12 weeks after Nd:YAG laser capsulotomy.
Group 1 ()
Group 2 ()
value
Capsulotomy size
3.43 ± 0.34
4.56 ± 0.47
0.000*
BCVA (LogMAR)
Pretreatment
0.61 ± 0.15
0.66 ± 0.18
0.209
1 week
0.18 ± 0.10
0.17 ± 0.13
0.776
4 weeks
0.18 ± 0.12
0.20 ± 0.12
0.637
12 weeks
0.21 ± 0.16
0.20 ± 0.12
0.834
SE (diopters)
Pretreatment
−1.12 ± 1.23
−1.26 ± 1.26
0.630
1 week
−0.95 ± 1.09
−0.89 ± 1.06
0.841
4 weeks
−0.93 ± 1.04
−0.82 ± 1.02
0.662
12 weeks
−0.91 ± 1.05
−0.80 ± 1.05
0.663
IOP (mmHg)
Pretreatment
15.44 ± 2.73
15.37 ± 3.61
0.929
1 week
16.33 ± 2.42
17.40 ± 3.26
0.126
4 weeks
15.13 ± 2.68
15.25 ± 3.95
0.892
12 weeks
14.83 ± 2.10
15.71 ± 2.30
0.102
Macular thickness (µm)
Pretreatment
247.5 ± 31.3
244.5 ± 37.2
0.720
1 week
262.8 ± 27.2
259.9 ± 24.9
0.652
4 weeks
247.3 ± 36.8
246.7 ± 32.5
0.945
12 weeks
246.0 ± 29.6
242.9 ± 28.7
0.665
BCVA: best-corrected visual acuity; SE: spherical equivalent; IOP: intraocular pressure; LogMAR: logarithm of the minimum angle of resolution.
*Statistically significant.