Table 2 Retinal thickness of foveal and parafoveal retina in healthy subjects in 8 age groups. Abbreviations: WRT, whole retinal thickness; IRT, inner retinal thickness; MRT, middle retinal thickness; ORT, outer retinal thickness
Group 1 | Group 2 | Group 3 | Group 4 | Group 5 | Group 6 | Group 7 | Group 8 | |||
|---|---|---|---|---|---|---|---|---|---|---|
Groups | Total (435 Eyes) | < 10 (61 Eyes) | 10–20 (66 Eyes) | 20–30 (63 Eyes) | 30–40 (54 Eyes) | 40–50 (47 Eyes) | 50–60 (57 Eyes) | 60–70 (65 Eyes) | > 70 (22 Eyes) | P |
Foveal WRT | 257.57 ± 19.48 | 246.68 ± 12.31 | 253 ± 18.84 | 263.76 ± 18.03 | 259.67 ± 16.75 | 256.2 ± 23.46 | 267.55 ± 19.7 | 256.95 ± 20.23 | 257.47 ± 18.54 | < 0.001 |
Parafoveal WRT | 330.99 ± 15.48 | 327.91 ± 12.24 | 331.24 ± 13.11 | 335.09 ± 16.55 | 333.57 ± 13.57 | 330.16 ± 18.6 | 334.81 ± 17.75 | 325.89 ± 14.79 | 327.58 ± 15 | 0.107 |
Foveal IRT | 47.96 ± 8.54 | 45.81 ± 6.65 | 46.76 ± 7.31 | 51.98 ± 8.37 | 49.17 ± 8.49 | 47.28 ± 11.29 | 50 ± 7.35 | 45.69 ± 9.22 | 45.84 ± 6.42 | 0.007 |
Parafoveal IRT | 112.5 ± 8.68 | 111.21 ± 5.99 | 113.02 ± 7.61 | 116.02 ± 8.23 | 114.3 ± 6.98 | 111.65 ± 10.2 | 114.52 ± 9.9 | 108.04 ± 9.2 | 109.83 ± 8.41 | 0.002 |
Foveal MRT | 44.53 ± 7.41 | 42.72 ± 6.2 | 43.31 ± 5.9 | 45.19 ± 5.96 | 43.57 ± 8.06 | 44.78 ± 7.75 | 48.68 ± 8.02 | 43.94 ± 8.33 | 44.04 ± 8.24 | 0.04 |
Parafoveal MRT | 70.84 ± 5.54 | 73.19 ± 5.07 | 70.98 ± 5.25 | 69.44 ± 5.04 | 70.04 ± 5.73 | 70.34 ± 5.09 | 71.95 ± 5.21 | 69.46 ± 5.77 | 72.12 ± 7.3 | 0.006 |
Foveal ORT | 170.07 ± 11.03 | 163.14 ± 10.07 | 168.06 ± 10.65 | 171.58 ± 10.08 | 171.8 ± 11.08 | 169.14 ± 11.08 | 173.85 ± 10.21 | 172.22 ± 10.19 | 172.49 ± 13.11 | 0.001 |
Parafoveal ORT | 149.48 ± 9.28 | 145.05 ± 9.32 | 148.88 ± 8.37 | 151.39 ± 8.62 | 151.08 ± 9.41 | 149.82 ± 9.46 | 150.51 ± 9.19 | 150.43 ± 8.91 | 147.99 ± 11.14 | 0.101 |
SFCT | 240.57 ± 44.14 | 263.33 ± 52.18 | 234.75 ± 48.89 | 243.16 ± 35.36 | 250.56 ± 33.25 | 239.13 ± 53.17 | 251.91 ± 40.31 | 216.93 ± 48.89 | 213.98 ± 47.88 | 0.055 |