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Table 2 Visual acuity and over-refraction data with the final scleral contact lens fitted during the follow-up

From: Characterization and prediction of the clinical result with a specific model of mini-scleral contact lens in corneas with keratoconus

Variable

1 month follow-up

3 months follow-up

Mean (SD)

Median (Range)

P value

Mean (SD)

Median (range)

P value

SLVA

0.10 (0.04)

0.10 (− 0.08 to 0.30)

 < 0.001

0.10 (0.06)

0.10 (− 0.08 to 0.40)

0.219

Sphere ORx (D)

0.22 (0.16)

0.00 (− 0.50 to 1.50)

 < 0.001

0.18 (0.21)

0.00 (− 0.50 to 1.00)

0.357

Cylinder ORx (D)

 − 0.05 (0.08)

0.00 (− 1.00 to 0.00)

 < 0.001

 − 0.14 (0.20)

0.00 (− 1.25 to 0.00)

0.180

SLVA with ORx (logMAR)

0.09 (0.04)

0.10 (− 0.08 to 0.30)

0.07 (0.05)

0.04 (− 0.08 to 0.30)

0.753

  1. SLVA = scleral lens corrected distance visual acuity; ORx = Over-refraction; logMAR = logarithm of minimal angle of resolution; SD = standard deviation; D = diopters