TY - GEN AU - Evans,Bruce J W AU - Allen,Peter M TI - Reply to Letter to the Editor by Griffiths et al. commenting on Evans & Allen SN - 1989-1342 PY - 0000/// PB - Journal of optometry N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1016/j.optom.2017.05.001 ER -