Table 2.
Mean signal strength and RNFL thickness before and after cataract surgery in different cataract categories. Quadrant and average RNFL thickness values are expressed in μm.
| Cortical (n=25) | P value* | Nuclear (n=30) | P value* | Posterior (n=22) | P value* | |
|---|---|---|---|---|---|---|
| Pre-SS | 5.4 ± 1.2 | < 0.001 | 6.5 ± 1.4 | 0.375 | 5.9 ± 1.1 | 0.034 |
| Post-SS | 7.0 ± 1.4 | 6.8 ± 1.7 | 6.6 ± 1.5 | |||
|
| ||||||
| Pre-inferior | 120.0 ± 25.9 | 0.007 | 121.6 ± 24.2 | 0.169 | 144.8 ± 29.7 | 0.476 |
| Post-inferior | 126.6 ± 27.3 | 124.2 ± 27.3 | 146.0 ± 29.2 | |||
|
| ||||||
| Pre-superior | 104.28 ± 20.0 | 0.003 | 102.1 ± 28.3 | 0.065 | 114.2 ± 21.5 | 0.326 |
| Post-superior | 112.6 ± 23.0 | 109.2 ± 26.0 | 117.9 ± 34.2 | |||
|
| ||||||
| Pre-nasal | 60.1 ± 18.6 | < 0.001 | 68.6 ± 17.1 | 0.187 | 70.5 ± 13.5 | 0.387 |
| Post-nasal | 73.6 ± 22.0 | 71.3 ± 19.4 | 72.6 ± 19.4 | |||
|
| ||||||
| Pre-temporal | 72.7 ± 20.4 | 0.016 | 67.5 ± 18.6 | 0.182 | 74.4 ± 12.3 | 0.251 |
| Post-temporal | 77.6 ± 21.5 | 71.1 ± 17.4 | 76.4 ± 13.2 | |||
|
| ||||||
| Pre-average | 89.1 ± 15.8 | < 0.001 | 90.6 ± 15.9 | 0.375 | 101.1 ± 16.5 | < 0.001 |
| Post-average | 97.5 ± 17.0 | 93.7 ± 18.4 | 104.0 ± 17.2 | |||
RNFL, retinal nerve fiber layer; Pre, before cataract surgery; Post, after cataract surgery; SS, signal strength
*
Paired t-test