Skip to main content
. 2015 Nov 1;9(11):NC01–NC05. doi: 10.7860/JCDR/2015/14407.6747

[Table/Fig-2]:

Variance and ICC of the visual acuity and stereo acuity charts

Visual Acuity Mean difference (log MAR) ICC p-value (95% CI) Variance (log MAR)
Lea Symbol 0.006 0.96 <0.001 (0.95, 0.97) 0.011
HOTV 0.001 0.99 <0.001 (0.98, 0.99) 0.012
E-chart 0.003 0.92 <0.001 (0.90, 0.94) 0.016
Stereo acuity Mean difference (arc sec) ICC p-value (95% CI) Variance (arc sec)
Frisby 0 1.0 <0.001 (1.0, 1.0) 0
Titmus 0 1.0 <0.001 (1.0, 1.0) 0

* ICC- Intraclass correlation coefficient,* CI - confidence interval