Figure_1.tif (6.75 MB)
Pictures of 12 frames.
figure
posted on 2014-03-03, 03:39 authored by Zhongqiang Zhou, Maja Kecman, Tingting Chen, Tianyu Liu, Ling Jin, Shangji Chen, Qianyun Chen, Mingguang He, Josh Silver, Bruce Moore, Nathan CongdonAmong them, B, E, H and K are conventional frames for rural secondary school children and their parents, C, F, I and L are conventional frames for urban primary school children and their parents, A, D, G, and J are frames designed to accommodate adjustable spectacles, which were the same for both groups.
