• Regulatory NewsRegulatory News

    CDRH qualifies new LASIK patient-reported outcomes tool

    A new tool to measure patient-reported outcomes (PROs) for laser-assisted in situ keratomileusis (LASIK) corrective eye surgery has been qualified by the US FDA’s Center for Devices and Radiological Health (FDA’s CDRH).   “Patient-reported outcomes, such as visual symptoms and satisfaction with vision, are vital to understanding the potential outcomes that that can result from LASIK,” said William Maisel, director of the Office of Product Evaluation and Quality at CD...
  • Regulatory NewsRegulatory News

    CDRH Works on Clinical Objectivity in Patient-Reported Outcomes

    A new study conducted by mathematical statisticians at the US Food and Drug Administration (FDA) bridges the gap between an objective endpoint and a patient-reported outcome (PRO). The research , led by statisticians Chul Ahn and Xin Fang at FDA’s Center for Devices and Radiological Health (CDRH), seeks to arrive at an acceptable level of probability for a PRO measure to reveal the “truth” of a subject’s disease or health condition. It comes at time when the science of ...