NUNEZ, María Ximena and BLANCO, Claudia. Efficacy of Orbscan II® and Pentacam® topographers by a repeatability analysis when assessing elevation maps in candidates to refractive surgery. Biomédica [online]. 2009, vol. 29, n. 3, pp. 362-368. ISSN 0120-4157. Introduction: Anterior and posterior corneal elevations are measurements used to detect keratoconus suspects. Purpose: To determine the efficacy of Orbscan II® and Pentacam® when assessing their elevation maps. Materials and methods: The efficacy of the Orbscan II