WAN HARUN, M. A. . and ITHNIN, M. H. . (2020) “THE EFFECT OF 6 PRISM BASE-OUT DURING SMARTPHONE USE ON NEAR VERGENCE AND ACCOMMODATION SYSTEMS”, INTERNATIONAL JOURNAL OF ALLIED HEALTH SCIENCES, 4(1), pp. 1011–1016. doi: 10.31436/ijahs.v4i1.415.