Clinical Study

Influences of 27-Gauge Vitrectomy on Corneal Topographic Conditions

Table 1

The corneal topographic parameters in groups 1 and 2. No significant differences were observed regarding the changes of the 4 parameters from the baseline to 1 and 3 months between the two groups.

Group 1 ()Group 2 ()
PreoperativePostoperative 1MPostoperative 3MPreoperativePostoperative 1MPostoperative 3M

Average corneal power (D)44.5 ± 1.4644.6 ± 1.4644.6 ± 1.4944.6 ± 1.2944.7 ± 1.2044.8 ± 1.18
Regular astigmatism (D)−1.47 ± 0.51−1.06 ± 0.53−1.24 ± 0.48−1.18 ± 0.67−1.09 ± 0.65−1.10 ± 0.55
Spherical aberration (μm)0.27 ± 0.060.26 ± 0.060.25 ± 0.070.27 ± 0.090.27 ± 0.070.26 ± 0.07
Higher-order aberration (μm)0.18 ± 0.100.18 ± 0.080.16 ± 0.070.19 ± 0.080.19 ± 0.090.18 ± 0.07

M = month; D = diopter; NS versus preoperative.