Table 2. Reproducibility Comparison of Cone Density and Spacing Measurements.
Cone Density |
Cone Spacing |
||||||
---|---|---|---|---|---|---|---|
Fixation Location | Mean (cones/mm2) | ICC | Within-subject CV | Mean (µm) | ICC | Within-subject CV | |
Garrioch | |||||||
Bottom left | 67,207 | 0.979 | 0.0217 | 3.50 | 0.989 | 0.0074 | |
Bottom right | 66,812 | 0.972 | 0.0253 | 3.50 | 0.983 | 0.0087 | |
Top left | 70,928 | 0.950 | 0.0272 | 3.37 | 0.975 | 0.0090 | |
Top right | 69,192 | 0.970 | 0.0273 | 3.39 | 0.984 | 0.0093 | |
Average | 68,534 | 0.968 | 0.0254 | 3.44 | 0.983 | 0.0086 | |
GTDP | |||||||
Bottom left | 70,796 | 0.993 | 0.0121 | 3.42 | 0.978 | 0.0110 | |
Bottom right | 70,783 | 0.989 | 0.0149 | 3.40 | 0.964 | 0.0131 | |
Top left | 75,485 | 0.988 | 0.0133 | 3.28 | 0.960 | 0.0124 | |
Top right | 74,216 | 0.985 | 0.0181 | 3.29 | 0.957 | 0.0154 | |
Average | 72,820 | 0.989 | 0.0146 | 3.35 | 0.965 | 0.0130 | |
Gold standard | |||||||
Bottom left | 70,577 | 0.995 | 0.0101 | 3.45 | 0.981 | 0.0097 | |
Bottom right | 70,204 | 0.994 | 0.0111 | 3.44 | 0.975 | 0.0106 | |
Top left | 75,416 | 0.994 | 0.0103 | 3.31 | 0.968 | 0.0113 | |
Top right | 73,914 | 0.995 | 0.0109 | 3.32 | 0.985 | 0.0090 | |
Average | 72,528 | 0.994 | 0.0106 | 3.38 | 0.977 | 0.0101 |