Perry B. Johnson, PhD

Dedicated Eyeline is considered industry standard for ocular proton therapy (OPT). Due to relatively low incidence of intra-ocular malignancies, Eyeline implementations of OPT are cost-prohibitive for many interested institutions. Among small number of gantry...

Five years of field‑by‑field couch‑shift data recorded by radiation therapists on the ProteusONE™ proton system were analyzed to derive clinically relevant robust‑optimization margins and to evaluate the adequacy of existing margin guidance.