horizontal pursuit

horizontal pursuit

a visual screening test in which the patient is asked to follow with both eyes a target moving in a horizontal plane while the examiner observes accuracy of alignment and supportive head movements.
References in periodicals archive ?
It often hunts by horizontal pursuit, and feeds mainly on rodents and birds, adding that it also often nests on cliffs.
Instead, I have to say, I have seen him account for one simple engine but disregard all others; attempt the vertical reading and suddenly withdraw to horizontal pursuits, as in the quite unsatisfactory paragraphs on Gadda--Dostoevsky--Celine.
Full browser ?