Table 1. Change of NPA values before and after VDT work for 2 h of PFA and Placebo

From

Amelioration of Visual Display Terminal-induced Ocular Fatigue by Aqueous Extracts of Perilla frutescens var. acuta

Jaeyong Kim, Hakjoon Choi, Mi-Ri Kim, Dooi-Ri Oh, Yujin Kim, Huwan Kang, Kyeong-in Jeong, Geun-chang Ryu, SangO Pan, Chul-yung Choi

Journal of Food and Nutrition Research. 2017, 5(8), 553-561 doi:10.12691/jfnr-5-8-4