Ofelia R. Espiritu, Edna R. Javier, and Jevie A. Abella. “Risk Assessment on Visual Acuity Among Elementary Pupils in the Heritage City of Vigan”. The Asian Journal of Education and Human Development (AJEHD), vol. 3, no. 1, Dec. 2022, doi:10.69566/ajehd.v3i1.43.