Adjusted retinal nerve fibre layer (RNFL) thicknesses measurements in different induced refraction powers in Cirrus optical coherence tomography (n = 15)
| Induced refractive power | p Value* | ||||||||
| ‒8 | ‒6 | ‒4 | ‒2 | 0 | +2 | +4 | +6 | ||
| Mean RNFL | 91.0±9.7 | 92.5±9.7 | 93.2±10.0 | 93.9±9.6 | 95.4±9.0 | 95.5±10.0 | 96.1±9.5 | 96.9±9.4 | <0.001 |
| Quadrant | |||||||||
| Superior | 112.7±17.8 | 114.2±16.7 | 115.8±16.9 | 116.2±16.2 | 118.5±17.4 | 118.4±18.2 | 119.4±16.5 | 121±16.9 | <0.001 |
| Nasal | 59.5±7.1 | 61.1±8.4 | 62.4±7.8 | 62.9±9.3 | 64.3±6.9 | 63.4±8.4 | 64±7.6 | 64.4±7.0 | <0.001 |
| Inferior | 117.0±18.3 | 119.0±18.5 | 118.7±18.5 | 120.2±19.0 | 121.4±17.4 | 122.6±18.0 | 122.6±17.5 | 123.4±16.7 | <0.001 |
| Temporal | 74.4±17.0 | 75.8±17.1 | 76.2±17.4 | 76.3±17.9 | 77.6±18.0 | 77.8±17.7 | 78.3±17.5 | 78.8±18.5 | <0.001 |
Data are presented as mean±SD (μm) after adjusting for signal strength.
* Multivariate analysis (repeated-measure design) with test–retest variability as the within-subject variance component. Every RNFL measurement was used after adjusting for signal strength.