Skip to main content
. 2016 Apr 6;2016:2358901. doi: 10.1155/2016/2358901

Table 3.

Visual acuity (logMAR, mean ± sd, min./max.).

UCVA BCVA BCLCVA Mean gain line
All eyes 0.85 ± 0.38 0.47 ± 0.27 0.16 ± 0.20 3.6 ± 1.8
0.30/1.30 0.10/1.30 0/1.00 0/7
Cone types
 Oval (n = 18, 30%) 0.79 ± 0.30 0.43 ± 0.23 0.08 ± 0.09 4.0 ± 1.7
0.30/1.30 0.10/1.00 0.00/0.20 1/7
 Nipple (n = 31, 51.67%) 0.81 ± 0.40 0.48 ± 0.31 0.14 ± 0.19 3.7 ± 1.8
0.30/1.30 0.10/1.30 0.00/1.00 0/6
 Globus (n = 11, 18.33%) 1.08 ± 0.36 0.49 ± 0.20 0.25 ± 0.20 2.4 ± 1.6
0.30/1.30 0.20/0.70 0.00/0.70 0/5
Cone location
 Central (n = 48, 80%) 0.85 ± 0.38 0.47 ± 0.28 0.13 ± 0.18 3.8 ± 1.8
0.30/1.30 0.10/1.30 0.00/1.00 0/7
 Paracentral (n = 12, 20%) 0.91 ± 0.38 0.43 ± 0.24 0.17 ± 0.14 2.4 ± 1.2
0.30/1.30 0.10/0.70 0.00/0.40 1/4
Severity of keratoconus
 Moderate (n = 50, 83.3%) 0.81 ± 0.36 0.44 ± 0.25 0.12 ± 0.16 3.7 ± 1.8
0.30/1.30 0.10/1.30 0.00/1.00 0/7
 Advanced (n = 10, 16.7%) 1.12 ± 0.38 0.60 ± 0.32 0.26 ± 0.20 2.7 ± 1.8
0.30/1.30 0.20/1.30 0.00/0.70 0/6

UCVA: uncorrected visual acuity, BCVA: best-corrected visual acuity, BCLCVA: best contact lens corrected visual acuity, sd: standard deviation, and D: diopter.