Table 2

Descriptive statistics of VA results and examination of differences between the two tests

VA (logMAR) amblyopic eyeVA (logMAR) fellow eye
MedianIQRRangeMedianIQRRange
Keeler letters0.2130.100 to 0.3000.750 to −0.0500.0380.00 to 0.1250.450 to −0.150
Kay Pictures0.1130.025 to 0.2500.750 to −0.125−0.050−0.100 to 0.0500.375 to −0.200
Mean95% LOA95% CIsMean95% LOA95% CIs
Mean difference (Keeler-Kay)0.0980.225 to −0.0300.081 to 0.1150.0880.217 to −0.0420.070 to 0.105
  • LOA, limits of agreement; VA, visual acuity.