“Graduated optical devices and their incidence on the visual quality of Babahoyo technical university students in the nutrition and dietary career of parallel 6 level ‘a’ period december 2022- april 2023”, JSR, vol. 8, no. II CICS, Nov. 2023, Accessed: Sep. 22, 2026. Available: https://revistas.utb.edu.ec/index.php/sr/article/view/3096