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Table 1 Preoperative patient demographics and ICL characteristics

From: Seven-year follow-up of posterior chamber phakic intraocular lens with central port design

  Mean ± SD Range [Min, Max]
Age (years) 31.04 ± 4.89 [25, 50]
Refraction sphere (D) −9.02 ± 2.85 [−17.50, −4.0]
Refraction cylinder (D) −0.65 ± 0.51 [−1.5, 0]
Spherical Equivalent (D) −9.35 ± 2.90.60 [−18.25, −4.50]
UDVA (logMAR) 1.63 ± 0.38 [0.7, 2.0]
CDVA (logMAR) 0.04 ± 0.12 [0.0, 0.4]
Minimum Keratometry (D) 43.26 ± 1.64 [40.00, 46.00]
Maximum Keratometry (D) 44.18 ± 1.69 [40.78, 47.00]
Corneal thickness (μm) 530 ± 37 [448, 630]
ACD (mm) 3.13 ± 0.22 [2.80, 3.75]
WTW (mm) 11.95 ± 0.47 [10.99, 13.45]
ATA (mm) 11.74 ± 0.37 [11.00, 13.20]
ECD (cells/ mm2) 2640 ± 336 [2000, 3903]
IOP (mmHg) 13.02 ± 1.78 [8, 19]
ICL sphere (D) −10.17 ± 2.70 [−18.0, −5.0]
ICL size (mm) 13.10 ± 0.33 [12.6, 13.7]
  1. ICL implantable collamer lens, D dioptres, UDVA uncorrected distance visual acuity, CDVA corrected distance visual acuity, ACD anterior chamber depth, WTW white to white, ATA angle to angle, ECD endothelial cell density, IOP intraocular pressure, SD standard deviation