Abstract Using the eye tracking method, we conducted two experiments to examine the OUP effects in the left (LVF) and right (RVF) fields of vision. The results show that: (1) when the OUP words presented horizontally to LVF and RVF respectlly, there was a robust facilitatory effect of early OUP for RVF presentation. The effect was absent for LVF trials, which we argue this result from the disadvantaged position of initial letters of words presented in the LVF. (2)When using the vertical stimulus presentations to investigate the OUP effects in different fields of vision, there was a marked facilitatory effect of early OUP across both visual fields, suggesting that the initial letter was advantage to the foveal, there would be the OUP effects. These findings of the research confirmed the presence of sequential processes in both left and right hemisphere when recognized the words, casting doubt on parallel models in the left hemisphere and sequential models in the right hemisphere of word processing.