Table 3.
Corneal endothelial characteristics in right and left eyes of subjects.
| Age group (yr) | Right eye (mean ± SD) |
Left eye (mean ± SD) |
P value |
|---|---|---|---|
| 20–30 | |||
| Cell density (cell/mm2) |
2934.8 ± 383.3 | 2885.6 ± 355.4 | 0.755 |
| Cell area (μm2) | 346.5 ± 47.0 | 352.0 ± 47.1 | 0.708 |
| CV in cell size (%) | 30.3 ± 3.8 | 30.8 ± 4.2 | 0.684 |
| Hexagonality (%) | 59.3 ± 10.9 | 61.0 ± 7.9 | 0.669 |
| CCT (μm) | 532.9 ± 33.9 | 536.1 ± 31.9 | 0.572 |
| 31–40 | |||
| Cell density (cell/mm2) |
2719.2 ± 371.1 | 2757.4 ± 413.0 | 0.997 |
| Cell area (μm2) | 375.0 ± 55.2 | 371.1 ± 59.1 | 0.804 |
| CV in cell size (%) | 35.3 ± 5.5 | 34.5 ± 5.5 | 0.580 |
| Hexagonality (%) | 56.4 ± 9.8 | 55.3 ± 9.7 | 0.722 |
| CCT (μm) | 520.1 ± 30.8 | 520.1 ± 32.6 | 0.698 |
| 41–50 | |||
| Cell density (cell/mm2) |
2665.7 ± 274.1 | 2698.4 ± 302.7 | 0.821 |
| Cell area (μm2) | 379.1 ± 40.3 | 375.4 ± 44.7 | 0.741 |
| CV in cell size (%) | 35.1 ± 4.6 | 36.9 ± 5.1 | 0.172 |
| Hexagonality (%) | 52.7 ± 12.2 | 52.9 ± 10.3 | 0.669 |
| CCT (μm) | 531.3 ± 31.2 | 529.5 ± 31.1 | 0.954 |
| 51–60 | |||
| Cell density (cell/mm2) |
2544.2 ± 272.0 | 2547.8 ± 285.7 | 0.716 |
| Cell area (μm2) | 397.7 ± 45.4 | 397.1 ± 43.5 | 0.964 |
| CV in cell size (%) | 35.4 ± 6.0 | 35.0 ± 6.0 | 0.814 |
| Hexagonality (%) | 52.9 ± 9.4 | 52.4 ± 8.6 | 0.961 |
| CCT (μm) | 511.5 ± 32.5 | 508.3 ± 32.5 | 0.836 |
| 61–70 | |||
| Cell density (cell/mm2) |
2479.0 ± 313.0 | 2516.3 ± 356.3 | 0.708 |
| Cell area (μm2) | 409.6 ± 52.1 | 404.8 ± 55.8 | 0.775 |
| CV in cell size (%) | 32.6 ± 4.5 | 34.6 ± 2.6 | 0.074 |
| Hexagonality (%) | 54.5 ± 8.0 | 54.2 ± 9.5 | 0.720 |
| CCT (μm) | 514.9 ± 32.3 | 511.3 ± 29.9 | 0.917 |