The mean (SD) Cu, Cd, and Pb levels in cataractous and normal human lenses (μg/g dry tissue weight = ppm
| Lenses | Cu | No | Cd | No | Pb | No |
|---|---|---|---|---|---|---|
| Cataractous | ||||||
| overall | 2.11 (0.47) | 37 | 0.99 (0.21) | 35 | 5.17 (1.43) | 34 |
| males | 2.13 (0.44) | 25 | 1.05 (0.18) | 23 | 5.00 (1.20) | 23 |
| females | 2.04 (0.53) | 12 | 0.88 (0.22) | 12 | 5.53 (1.76) | 11 |
| p Values | >0.05 | <0.01 | <0.1 | |||
| Normal | ||||||
| overall | 0.69 (0.15) | 9 | 0.045 (0.004) | 9 | — | 9 |
| males | 0.66 (0.16) | 5 | 0.055 (0.004) | 5 | — | 5 |
| females | 0.72 (0.12) | 4 | 0.032 (0.003) | 4 | — | 4 |
| p Values | >0.05 | <0.05 | — |