Skip to main content

Table 1 Preoperative demographics of the study population according to the incision site (temporal and superior incision groups)

From: Comparison of magnitude and summated vector mean of surgically induced astigmatism vector according to incision site after phakic intraocular lens implantation

  Temporal incision group Superior incision group P value
Number of eyes 80 41
Age (years) 32.5 ± 7.3 (range, 22 to 52) 33.5 ± 6.6 (range, 21 to 44) 0.284
UDVA (logMAR) 1.23 ± 0.27 (range, 0.40 to 2.00) 1.32 ± 0.30 (range, 0.15 to 2.00) 0.154
CDVA (logMAR) − 0.21 ± 0.07 (range, − 0.30 to 0.00) − 0.23 ± 0.07 (range, − 0.30 to − 0.08) 0.205
Manifest spherical equivalent (D) − 6.46 ± 2.93 (range, − 18.25 to − 2.13) − 6.99 ± 3.56 (range, − 16.25 to − 0.75) 0.649
Manifest cylinder (D) − 0.61 ± 0.66 (range, − 3.25 to 0.00) − 0.59 ± 0.37 (range, − 1.25 to 0.00) 0.548
Corneal astigmatism (D) 1.23 ± 0.59 (range, 0.00 to 3.25) 1.09 ± 0.36 (range, 0.00 to 1.75) 0.349
Type of astigmatism With-the-rule 74 eyes (93%), against-the rule 3 eyes (4%), oblique; 2 eyes (3%), and none 1 eye (1%) With-the-rule 39 eyes (95%), against-the rule 1 eye (2%), oblique 0 eye (0%), and none 1 eye (2%)  
Mean keratometry (mm) 43.60 ± 1.49 (range, 40.25 to 46.88) 43.55 ± 1.23 (range, 41.70 to 46.30) 0.795
  1. logMAR logarithm of the minimal angle of resolution, UDVA uncorrected distance visual acuity, CDVA corrected distance visual acuity, D diopter