Chávez Mestanza HR, Villegas Terán AE. Comparative study of multifocal and monovision contact lenses in presbyopic patients at the Valle de los Chillos optometric center. AD [Internet]. 2025Dec.5 [cited 2025Dec.19];8(4):95-108. Available from: https://www.cienciadigital.org/revistacienciadigital2/index.php/AnatomiaDigital/article/view/3562