TY - GEN AU - Ramos López, Darío PY - 2011 SN - 1040-5488 UR - http://hdl.handle.net/10835/5615 AB - Purpose: To construct a set of metrics computed from the raw keratoscopic data collected by any Placido corneal topographer. These indices that measure the irregularity of the anterior corneal surface are computed directly from the image of the... LA - en TI - Placido-based indices of corneal irregularity DO - http://dx.doi.org/10.1097/OPX.0b013e3182279ff8 ER -