sentences:  These movements might serve the function of maintaining visibility during fixation, or might be related to attentional shifts to objects in the visual field or in memory, might help limit binocular fixation disparity, or may serve some combination of those functions.Some neuroscientists believe that microsaccades are potentially important in neurological and ophthalmic diseases since they are strongly related to many features of visual perception, attention, and cognition.Research aimed at finding the purpose of microsaccades began in the 1990s.