Distribution of intraocular pressure by vertical cup to disc ratios (CDR) by age in healthy people in the Tehran Eye Study
| Vertical CDR | Mean (SD) IOP (mm Hg) (n) | ||
|---|---|---|---|
| Age <50 years (n = 2932) | Age ⩾50 years (n = 735) | All ages (n = 3667) | |
| 1 | 14.0 (2.5) (239) | 14.3 (3.1) (30) | 14.0 (2.6) (269) |
| 2 | 14.1 (2.4) (1530) | 15.1 (3.0) (325) | 14.3 (2.5) (1855) |
| 3 | 14.6 (2.3) (1025) | 15.1 (2.9) (321) | 14.7 (2.5) (1346) |
| 4 | 14.5 (2.3) (115) | 16.0 (3.7) (51) | 15.0 (2.9) (166) |
| 5 | 14.9 (2.3) (23) | 16.5 (4.3) (8) | 15.3 (2.9) (31) |