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. 2018 Jan 22;8:1312. doi: 10.1038/s41598-018-20040-w

Table 1.

Preoperative demographics of the study population in eyes undergoing intraocular lens implantation for keratoconus.

Preoperative demographics (median (25th and 75th percentile))
Number of eyes 101
Male:Female 32:38
Age 61.0 (53.0, 68.0) years
LogMAR UDVA 1.30 (0.82, 1.70)
LogMAR CDVA 0.30 (0.15, 0.52)
Manifest sphere (D) −5.50 (−10.00, −0.50)
Manifest cylinder (D) −2.50 (−3.63, −1.00)
Astigmatic axis (degree) 80 (35, 130)
Mean keratometric readings 46.6 (45.1, 48.9) D
Axial length 25.81 (24.62, 27.25) mm
Amsler-Krumeich classification Grade 1 (65 eyes), Grade 2 (20 eyes), Grade 3 (8 eyes), and Grade 4 (8 eyes)
Postoperative demographics (median (25th and 75th percentile))
LogMAR UDVA 0.35 (0.15, 0.70)
LogMAR CDVA 0.00 (−0.08, 0.10)
Manifest sphere (D) −0.50 (−1.75, 0.25)
Manifest cylinder (D) −1.50 (−3.00, −0.50)
Astigmatic axis (degree) 90 (30, 125)

logMAR = logarithm of the minimal angle of resolution, UDVA = uncorrected distance visual acuity, CDVA = corrected distance visual acuity, D = diopter.