Research recommendation(s) from an individual piece of guidance Guidance: Repetitive short-pulse transscleral cyclophotocoagulation for glaucoma Date issued: 28 April 2021 Research recommendations coming out of this guidance Evidence on the safety of repetitive short-pulse transscleral cyclophotocoagulation for glaucoma shows no major safety concerns. Evidence on efficacy is inadequate in quality. Therefore, this procedure should only be used in the context of research. Find out what only in research means on the NICE website.