Yulianti, I.; Veryudha Eka Prameswari; Sabrina Dwi Prihartini. The Education To Prevent Decreasing Visual Aquity To Elementary School Student In Pandemic Period: Edukasi Mencegah Penurunan Ketajaman Penglihatan Pada Anak Sekolah Dasar Di Masa Pandemi. JPM 2022, 8, 111-114.