Correlation coefficients (CC) of Pentacam measurements for lens density with Lens Opacities Classification System III (LOCS III) scales including nuclear opalescence (NO), nuclear colour (NC), cortical cataract (C) grade and logarithmic minimal angle resolution (logMAR) best-corrected visual acuity (BCVA)
| CC (ρ) | NO | NC | C | BCVA |
|---|---|---|---|---|
| ALD_mean | 0.7698 | 0.6290 | 0.2657 | 0.4228 |
| ALD_max | 0.3675 | 0.4027 | 0.5381 | 0.3597 |
| NLD_mean | 0.8833 | 0.6815 | 0.1577 | 0.4750 |
| NLD_max | 0.7809 | 0.6228 | 0.1728 | 0.4239 |
| PNS_mean | 0.7217 | 0.5837 | 0.1658 | 0.3524 |
| PNS_max | 0.3489 | 0.4241 | 0.5185 | 0.3118 |
| PNS_score | 0.5159 | 0.6834 | 0.2068 | 0.3798 |
The correlation was analysed using the Spearman correlation analysis with Bonferroni correction. All p values were <0.01, except for C and NLD_mean (p=0.0339) and NLD_max (p=0.0176).
ALD_max, maximum value of average lens density; ALD_mean, mean value of average lens density; NLD_max, maximum value of nuclear lens density; NLD_mean, mean value of nuclear lens density; PNS, Pentacam nucleus staging; PNS_max, maximum value of Pentacam nucleus staging; PNS_mean, mean value of Pentacam nucleus staging; PNS_score, grading score of Pentacam nucleus staging.