Table 2: Time course of refractive changes after trabeculectomy.

(Diopters)All (n = 97)Phakic (n = 61)Pseudophakic (n = 36)

Preoperative−1.93 ± 3.78−2.31 ± 4.49−1.28 ± 1.95
1 month−2.22 ± 3.72−2.63 ± 4.41−1.15 ± 1.91
3 months−2.22 ± 3.89−2.77 ± 4.56−1.28 ± 2.03
6 months−2.28 ± 3.82−2.83 ± 4.50−1.36 ± 2.01
12 months−2.73 ± 3.90−3.62 ± 4.51−1.22 ± 1.78
value
 All0.70a0.59a0.97a
 Pre vs. 1 month0.016b0.08b0.33b
 Pre vs. 3 months0.02b0.008b>0.99b
 Pre vs. 6 months0.016b0.012b>0.99b
 Pre vs. 12 months<0.001b<0.001b>0.99b

Data expressed as mean ± standard deviation. values: aone-way repeated measures ANOVA; bpaired t test with Bonferroni correction.