There are various methods of measuring the impact of a publication, a researcher and their research.
To find an author's impact beamplot and H-index count in Web of Science:
The Web of Science has a module called Journal Citation Reports that tracks journal impact factors. The Library does not have a subscription to this module.
Measuring research impact in Australia’s medical research institutes: a scoping literature review of the objectives for and an assessment of the capabilities of research impact assessment frameworks - Health Research Policy and Systems - March 2017
A large National Institute for Health Research (NIHR) Biomedical Research Centre facilitates impactful cross-disciplinary and collaborative translational research publications and research collaboration networks: a bibliometric evaluation study - J Transl Med - November 2021