Table 4

Partial regression coefficients for the indicated experimental conditions

Eye SFModerate lightDim light conditionCombined moderate and dim light conditionsCombined moderate and dim light conditions (3 and 6 cycles per degree)Combined moderate and dim light conditions (6 and 12 cycles per degree)
coeff bSEcoeff bSEcoeff bSEcoeff bSEcoeff bSE
Intercept10.633.44*8.622.8*16.364.55**14.943.75**12.273.49**
R-3 (M)01.751.1721.111.87
R-6 (M)−4.61.64*−4.981.98*−4.421.72*−4.521.75*
R-12 (M)−0.421.32−1.181.79−0.071.46
R-18 (M)0.111.10.391.35
L-3 (M)1.711.64.182.03*3.571.87
L-6 (M)−2.161.79−3.472.38−3.461.9−1.461.78
L-12 (M)0.921.451.691.730.391.37
L-18 (M)−1.551.24−1.61.53-
R-3 (D)−3.791.72*−4.562.09−5.231.97*
R-6 (D)−2.591.64−2.3261.98−1.411.63−1.981.7
R-12 (D)−0.731.161.0381.480.271.23
R-18 (D)0.71.241.251.55
L-3 (D)1.011.66−0.521.96−0.781.64
L-6 (D)2.661.753.182.092.331.573.341.7
L-12 (D)−2.521.59−3.421.85−3.051.54
L-18 (D)−0.351.38−0.021.65
  • The spatial frequencies of the gratings expressed in cycle per degree.

  • *p<0.05, **p<0.001

  • coeff b, coefficient b; D, dim lights; L, left eye; M, moderate lights; R, right eye; SE, standard error.