Table 1.
Summary of different instrument abilities with regards to corneal analysis investigation.
| Description | Centre displacement | Epithelial changes | Anterior surface analysis | Posterior surface analysis | Pachymetry map | Corneal Hysteresis |
|---|---|---|---|---|---|---|
| Reflection based topographer | √ | √ | √a | |||
| Elevation based systems | √ | √ | √ | √ | ||
| UHR Ultrasound | √ | √ | ||||
| AS OCTb | √a | √ | √ | √ | ||
| ORAb | √ | |||||
| Corvis STb | √ |
a
only available with specific models.
b
AS OCT-Anterior segment OCT; ORA- Ocular response analyser; Corvist ST- Corneal visualisation Scheimpflug technology.