Fig. 1

Subclinical KC patient and Suspected KC patient. (A) Keratoconus(KC) eye, I-S Value = 1.73, BADD = 6.03; (B) Contralateral subclinical KC eye, I-S Value = 1.47, BADD = 1.93; (C) Normal eye, I-S Value = 1.08, BADD = 1.44; (D) Contralateral suspected KC eye, I-S Value = 1.61, BADD = 1.53.