Fig. 1
From: The possible causes for tomography suspect Keratoconus in a Chinese cohort
[left] Compare the horizontal visible iris diameter (HVID) measured by Sirius between true negative group (TNG) and false positive group (FPG). [right] Compare the corneal diameter (CD) measured by Topolyzer between true negative group (TNG) and false positive group (FPG). There is statistical significant difference (p < 0.001) for mean between the two groups in HVID and Topolyzer-CD