Table 3.
Normal parameters according to age[23]
| Intraocular pressure | Age | Applanation IOP (mmHg) | Pneumotonometer (mmHg±SD) |
|---|---|---|---|
| Premature (26–37 weeks) | 18.3 | ||
| 0–1 year | 4.6 (± 0.5) | 14.5 (± 0.5) | |
| 1–2 years | 4.9 (± 0.5) | 14.6 (± 0.6) | |
| 2–3 years | 5.8 (± 1.0) | 15.3 (± 1.4) | |
|
| |||
| Corneal diameters | Age | Normal (mm) | Possible Glaucoma (mm) |
|
| |||
| Newborn | 9.5–10.5 | 11.5–12 | |
| 1 year | 10–11.5 | 12–12.5 | |
| 2 years | 11.5–12 | 12.5–13.0 | |
| >3 years | >12 | 13–14 | |
|
| |||
| Axial length | Age | Normal (mm) | Possible Glaucoma (mm) |
|
| |||
| Newborns | 16–17 | >20 | |
| 1 year | 20.1 | >22.5 | |
| 2 years | 21.3 | >23 | |
| 3 years | 22.1 | >24 | |
| >3 years | 23 | >25 | |