
Repeatability of a Dual-Scheimpflug Placido Disc Corneal Tomographer/Topographer in Eyes with Keratoconus
Introduction Keratoconus is the most common corneal degeneration, with an estimated prevalence between 120 and 265 per 100,000 in the general population.1,2 The degeneration results in significant visual impairment secondary to irregular astigmatism and …