Original ResearchPublished 17 February 2026Manufacturing of a toroidal mold for the production of polymeric lensesAgustin Santiago-Alvarado · Fermín S. Granados-Agustin · Oliver Huerta-Carranza · Víctor M. Cruz-Martínez · Jorge Alvarado-Martínez · Maximino Avendaño-AlejoAdvanced Optical Technologiesdoi 10.3389/aot.2026.1745190