I might be treading on a few toes here, but....
Although popularly believed, there is little evidence for the NLP (neuro linguistic programming) theory that Trevor is alluding to. Repeated scientific studies have found no correlation between eye movement direction, choice of language, type of thoughts and visual imagery.
In common with other pseudosciences, NLP has an over reliance on anecdote and on using the theory for financial gain rather than well researched theory and scientific evidence.