Table 1.

Preoperative demographics in eyes undergoing implantable Collamer lens (ICL) implantation for low myopia.

Characteristic	Mean ±standard deviation (95%CI)
Age	33.8 ± 6.8 years (95%CI, 20 to 46.5 years)
Gender	Male: Female = 93: 79
Manifest spherical equivalent	−2.28 ± 0.56 D (95%CI, −1.20 to −3.37 D)
Manifest cylinder	−0.98 ± 1.36 D (95%CI, −3.65 to 1.69 D)
LogMAR UDVA	0.73 ± 0.29 (95%CI, 0.16 to 1.30)
LogMAR CDVA	−0.23± 0.08 (95%CI, −0.39 to −0.06)
White-to-white distance	11.9 ± 0.4 mm (95%CI, 11.1 to 12.8 mm)
Anterior chamber depth	3.21 ± 0.30 mm (95%CI, 2.61 to 3.80 mm)
Mean keratometric readings	43.40 ± 1.44 D (95%CI, 40.57 to 46.23 D)

ICL, implantable collamer lens; CI, confidence of interval; D, diopter; LogMAR, logarithm of the minimal angle of resolution; UDVA, uncorrected distance visual acuity; CDVA, corrected distance visual acuity.