Overview Efficacy of Two Concentrations of Autologous Serum for the Treatment of Severe Dry Eye Status: Unknown status Trial end date: 2018-11-19 Target enrollment: Participant gender: Summary The purpose of this study is to compare the effects of autologous serum 20% and autologous serum 50% for the treatment of Severe Dry Eye Syndrome Phase: Phase 3 Details Lead Sponsor: Pontificia Universidad Catolica de ChileCollaborators: Hospital Dr Sotero del RioHospital Dr. Sótero del Río