Table 1 Mean corneal diameter (WTW) measurements of the Orbscan, Caliper, IOLMaster, and Pentacam
From: Comparison of white-to-white measurements using four devices and their determination of ICL sizing
Orbscan | Caliper | IOLMaster | Pentacam | |
|---|---|---|---|---|
Mean WTW (mm) | 11.56 ± 0.03 | 11.45 ± 0.04 | 12.14 ± 0.04 | 11.77 ± 0.4 |
Pairwise comparison | Paired difference | P value | ||
|---|---|---|---|---|
Mean | SD | |||
Orbscan | Caliper | − 0.1103 | 0.1918 | 0.0001 |
Orbscan | IOLMaster | 0.5757 | 0.1742 | 0.0001 |
Orbscan | Pentacam | 0.2084 | 0.1749 | 0.0001 |